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Finding the Fourth Proportional to 82,195.72, 123,299.04 and 28,881.22

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Solution

The fourth proportional to 82,195.72, 123,299.04 and 28,881.22 is: 43,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,195.72 : 123,299.04 = 28,881.22 : x
  2. Step 2: Convert to fraction form
    82,195.72/123,299.04 = 28,881.22/x
  3. Step 3: Cross multiply
    82,195.72x = 123,299.04 × 28,881.22
  4. Step 4: Simplify right side
    82,195.72x = 3,561,026,700.03
  5. Step 5: Solve for x
    x = 3,561,026,700.03/82,195.72
  6. Step 6: Final answer
    x = 43,323.75

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