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Finding the Fourth Proportional to 82,475.74, 123,704.70 and 55,991.98

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Solution

The fourth proportional to 82,475.74, 123,704.70 and 55,991.98 is: 83,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,475.74 : 123,704.70 = 55,991.98 : x
  2. Step 2: Convert to fraction form
    82,475.74/123,704.70 = 55,991.98/x
  3. Step 3: Cross multiply
    82,475.74x = 123,704.70 × 55,991.98
  4. Step 4: Simplify right side
    82,475.74x = 6,926,471,088.31
  5. Step 5: Solve for x
    x = 6,926,471,088.31/82,475.74
  6. Step 6: Final answer
    x = 83,981.92

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