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Finding the Fourth Proportional to 410,584.80, 615,416.40 and 173,887.20

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Solution

The fourth proportional to 410,584.80, 615,416.40 and 173,887.20 is: 260,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,584.80 : 615,416.40 = 173,887.20 : x
  2. Step 2: Convert to fraction form
    410,584.80/615,416.40 = 173,887.20/x
  3. Step 3: Cross multiply
    410,584.80x = 615,416.40 × 173,887.20
  4. Step 4: Simplify right side
    410,584.80x = 107,013,034,630.08
  5. Step 5: Solve for x
    x = 107,013,034,630.08/410,584.80
  6. Step 6: Final answer
    x = 260,635.65

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