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Finding the Fourth Proportional to 67,757.94, 93,512.88 and 39,078.72

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Solution

The fourth proportional to 67,757.94, 93,512.88 and 39,078.72 is: 53,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,757.94 : 93,512.88 = 39,078.72 : x
  2. Step 2: Convert to fraction form
    67,757.94/93,512.88 = 39,078.72/x
  3. Step 3: Cross multiply
    67,757.94x = 93,512.88 × 39,078.72
  4. Step 4: Simplify right side
    67,757.94x = 3,654,363,653.91
  5. Step 5: Solve for x
    x = 3,654,363,653.91/67,757.94
  6. Step 6: Final answer
    x = 53,932.63

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