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Finding the Fourth Proportional to 84,078.12, 115,962.17 and 53,866.24

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Solution

The fourth proportional to 84,078.12, 115,962.17 and 53,866.24 is: 74,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,078.12 : 115,962.17 = 53,866.24 : x
  2. Step 2: Convert to fraction form
    84,078.12/115,962.17 = 53,866.24/x
  3. Step 3: Cross multiply
    84,078.12x = 115,962.17 × 53,866.24
  4. Step 4: Simplify right side
    84,078.12x = 6,246,446,080.14
  5. Step 5: Solve for x
    x = 6,246,446,080.14/84,078.12
  6. Step 6: Final answer
    x = 74,293.36

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