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Finding the Fourth Proportional to 42,486.52, 63,731.40 and 15,839.14

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Solution

The fourth proportional to 42,486.52, 63,731.40 and 15,839.14 is: 23,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,486.52 : 63,731.40 = 15,839.14 : x
  2. Step 2: Convert to fraction form
    42,486.52/63,731.40 = 15,839.14/x
  3. Step 3: Cross multiply
    42,486.52x = 63,731.40 × 15,839.14
  4. Step 4: Simplify right side
    42,486.52x = 1,009,450,567.00
  5. Step 5: Solve for x
    x = 1,009,450,567.00/42,486.52
  6. Step 6: Final answer
    x = 23,759.31

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