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Finding the Fourth Proportional to 165,086.10, 247,629.15 and 40,427.10

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Solution

The fourth proportional to 165,086.10, 247,629.15 and 40,427.10 is: 60,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,086.10 : 247,629.15 = 40,427.10 : x
  2. Step 2: Convert to fraction form
    165,086.10/247,629.15 = 40,427.10/x
  3. Step 3: Cross multiply
    165,086.10x = 247,629.15 × 40,427.10
  4. Step 4: Simplify right side
    165,086.10x = 10,010,928,409.97
  5. Step 5: Solve for x
    x = 10,010,928,409.97/165,086.10
  6. Step 6: Final answer
    x = 60,640.65

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