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Finding the Fourth Proportional to 52,743.71, 72,786.42 and 28,871.91

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Solution

The fourth proportional to 52,743.71, 72,786.42 and 28,871.91 is: 39,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,743.71 : 72,786.42 = 28,871.91 : x
  2. Step 2: Convert to fraction form
    52,743.71/72,786.42 = 28,871.91/x
  3. Step 3: Cross multiply
    52,743.71x = 72,786.42 × 28,871.91
  4. Step 4: Simplify right side
    52,743.71x = 2,101,482,967.46
  5. Step 5: Solve for x
    x = 2,101,482,967.46/52,743.71
  6. Step 6: Final answer
    x = 39,843.29

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