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Finding the Fourth Proportional to 39,304.76, 54,241.92 and 21,400.07

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Solution

The fourth proportional to 39,304.76, 54,241.92 and 21,400.07 is: 29,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,304.76 : 54,241.92 = 21,400.07 : x
  2. Step 2: Convert to fraction form
    39,304.76/54,241.92 = 21,400.07/x
  3. Step 3: Cross multiply
    39,304.76x = 54,241.92 × 21,400.07
  4. Step 4: Simplify right side
    39,304.76x = 1,160,780,613.72
  5. Step 5: Solve for x
    x = 1,160,780,613.72/39,304.76
  6. Step 6: Final answer
    x = 29,532.83

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