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Finding the Fourth Proportional to 354,411.22, 531,618.78 and 88,171.72

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Solution

The fourth proportional to 354,411.22, 531,618.78 and 88,171.72 is: 132,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,411.22 : 531,618.78 = 88,171.72 : x
  2. Step 2: Convert to fraction form
    354,411.22/531,618.78 = 88,171.72/x
  3. Step 3: Cross multiply
    354,411.22x = 531,618.78 × 88,171.72
  4. Step 4: Simplify right side
    354,411.22x = 46,873,742,216.90
  5. Step 5: Solve for x
    x = 46,873,742,216.90/354,411.22
  6. Step 6: Final answer
    x = 132,258.07

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