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Finding the Fourth Proportional to 54,760.73, 82,140.57 and 17,320.79

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Solution

The fourth proportional to 54,760.73, 82,140.57 and 17,320.79 is: 25,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,760.73 : 82,140.57 = 17,320.79 : x
  2. Step 2: Convert to fraction form
    54,760.73/82,140.57 = 17,320.79/x
  3. Step 3: Cross multiply
    54,760.73x = 82,140.57 × 17,320.79
  4. Step 4: Simplify right side
    54,760.73x = 1,422,739,768.80
  5. Step 5: Solve for x
    x = 1,422,739,768.80/54,760.73
  6. Step 6: Final answer
    x = 25,981.03

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