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Finding the Fourth Proportional to 84,115.28, 116,079.12 and 46,391.96

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Solution

The fourth proportional to 84,115.28, 116,079.12 and 46,391.96 is: 64,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,115.28 : 116,079.12 = 46,391.96 : x
  2. Step 2: Convert to fraction form
    84,115.28/116,079.12 = 46,391.96/x
  3. Step 3: Cross multiply
    84,115.28x = 116,079.12 × 46,391.96
  4. Step 4: Simplify right side
    84,115.28x = 5,385,137,891.88
  5. Step 5: Solve for x
    x = 5,385,137,891.88/84,115.28
  6. Step 6: Final answer
    x = 64,020.92

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