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Finding the Fourth Proportional to 54,839.73, 75,678.86 and 29,689.23

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Solution

The fourth proportional to 54,839.73, 75,678.86 and 29,689.23 is: 40,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,839.73 : 75,678.86 = 29,689.23 : x
  2. Step 2: Convert to fraction form
    54,839.73/75,678.86 = 29,689.23/x
  3. Step 3: Cross multiply
    54,839.73x = 75,678.86 × 29,689.23
  4. Step 4: Simplify right side
    54,839.73x = 2,246,847,080.68
  5. Step 5: Solve for x
    x = 2,246,847,080.68/54,839.73
  6. Step 6: Final answer
    x = 40,971.16

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