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Finding the Fourth Proportional to 36,798.78, 55,206.38 and 13,425.22

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Solution

The fourth proportional to 36,798.78, 55,206.38 and 13,425.22 is: 20,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,798.78 : 55,206.38 = 13,425.22 : x
  2. Step 2: Convert to fraction form
    36,798.78/55,206.38 = 13,425.22/x
  3. Step 3: Cross multiply
    36,798.78x = 55,206.38 × 13,425.22
  4. Step 4: Simplify right side
    36,798.78x = 741,157,796.90
  5. Step 5: Solve for x
    x = 741,157,796.90/36,798.78
  6. Step 6: Final answer
    x = 20,140.83

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