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Finding the Fourth Proportional to 52,308.78, 78,455.47 and 17,243.88

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Solution

The fourth proportional to 52,308.78, 78,455.47 and 17,243.88 is: 25,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,308.78 : 78,455.47 = 17,243.88 : x
  2. Step 2: Convert to fraction form
    52,308.78/78,455.47 = 17,243.88/x
  3. Step 3: Cross multiply
    52,308.78x = 78,455.47 × 17,243.88
  4. Step 4: Simplify right side
    52,308.78x = 1,352,876,710.02
  5. Step 5: Solve for x
    x = 1,352,876,710.02/52,308.78
  6. Step 6: Final answer
    x = 25,863.28

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