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Finding the Fourth Proportional to 68,036.92, 102,057.30 and 18,788.92

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Solution

The fourth proportional to 68,036.92, 102,057.30 and 18,788.92 is: 28,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,036.92 : 102,057.30 = 18,788.92 : x
  2. Step 2: Convert to fraction form
    68,036.92/102,057.30 = 18,788.92/x
  3. Step 3: Cross multiply
    68,036.92x = 102,057.30 × 18,788.92
  4. Step 4: Simplify right side
    68,036.92x = 1,917,546,445.12
  5. Step 5: Solve for x
    x = 1,917,546,445.12/68,036.92
  6. Step 6: Final answer
    x = 28,183.91

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