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Finding the Fourth Proportional to 39,212.28, 58,829.40 and 15,855.12

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Solution

The fourth proportional to 39,212.28, 58,829.40 and 15,855.12 is: 23,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,212.28 : 58,829.40 = 15,855.12 : x
  2. Step 2: Convert to fraction form
    39,212.28/58,829.40 = 15,855.12/x
  3. Step 3: Cross multiply
    39,212.28x = 58,829.40 × 15,855.12
  4. Step 4: Simplify right side
    39,212.28x = 932,747,196.53
  5. Step 5: Solve for x
    x = 932,747,196.53/39,212.28
  6. Step 6: Final answer
    x = 23,787.12

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