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Finding the Fourth Proportional to 8,657,960.10, 12,978,374.40 and 4,100,999.33

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Solution

The fourth proportional to 8,657,960.10, 12,978,374.40 and 4,100,999.33 is: 6,147,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,960.10 : 12,978,374.40 = 4,100,999.33 : x
  2. Step 2: Convert to fraction form
    8,657,960.10/12,978,374.40 = 4,100,999.33/x
  3. Step 3: Cross multiply
    8,657,960.10x = 12,978,374.40 × 4,100,999.33
  4. Step 4: Simplify right side
    8,657,960.10x = 53,224,304,653,997.28
  5. Step 5: Solve for x
    x = 53,224,304,653,997.28/8,657,960.10
  6. Step 6: Final answer
    x = 6,147,441.67

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