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Finding the Fourth Proportional to 278,145.75, 417,080.59 and 88,581.41

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Solution

The fourth proportional to 278,145.75, 417,080.59 and 88,581.41 is: 132,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,145.75 : 417,080.59 = 88,581.41 : x
  2. Step 2: Convert to fraction form
    278,145.75/417,080.59 = 88,581.41/x
  3. Step 3: Cross multiply
    278,145.75x = 417,080.59 × 88,581.41
  4. Step 4: Simplify right side
    278,145.75x = 36,945,586,745.83
  5. Step 5: Solve for x
    x = 36,945,586,745.83/278,145.75
  6. Step 6: Final answer
    x = 132,828.15

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