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Finding the Fourth Proportional to 8,648.22, 11,933.90 and 5,110.78

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Solution

The fourth proportional to 8,648.22, 11,933.90 and 5,110.78 is: 7,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.22 : 11,933.90 = 5,110.78 : x
  2. Step 2: Convert to fraction form
    8,648.22/11,933.90 = 5,110.78/x
  3. Step 3: Cross multiply
    8,648.22x = 11,933.90 × 5,110.78
  4. Step 4: Simplify right side
    8,648.22x = 60,991,537.44
  5. Step 5: Solve for x
    x = 60,991,537.44/8,648.22
  6. Step 6: Final answer
    x = 7,052.50

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