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Finding the Fourth Proportional to 45,722.68, 68,513.10 and 31,710.04

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Solution

The fourth proportional to 45,722.68, 68,513.10 and 31,710.04 is: 47,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,722.68 : 68,513.10 = 31,710.04 : x
  2. Step 2: Convert to fraction form
    45,722.68/68,513.10 = 31,710.04/x
  3. Step 3: Cross multiply
    45,722.68x = 68,513.10 × 31,710.04
  4. Step 4: Simplify right side
    45,722.68x = 2,172,553,141.52
  5. Step 5: Solve for x
    x = 2,172,553,141.52/45,722.68
  6. Step 6: Final answer
    x = 47,515.87

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