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Finding the Fourth Proportional to 354,721.58, 488,684.04 and 247,096.88

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Solution

The fourth proportional to 354,721.58, 488,684.04 and 247,096.88 is: 340,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,721.58 : 488,684.04 = 247,096.88 : x
  2. Step 2: Convert to fraction form
    354,721.58/488,684.04 = 247,096.88/x
  3. Step 3: Cross multiply
    354,721.58x = 488,684.04 × 247,096.88
  4. Step 4: Simplify right side
    354,721.58x = 120,752,301,589.80
  5. Step 5: Solve for x
    x = 120,752,301,589.80/354,721.58
  6. Step 6: Final answer
    x = 340,414.31

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