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Finding the Fourth Proportional to 265,923.36, 398,960.64 and 108,264.96

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Solution

The fourth proportional to 265,923.36, 398,960.64 and 108,264.96 is: 162,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,923.36 : 398,960.64 = 108,264.96 : x
  2. Step 2: Convert to fraction form
    265,923.36/398,960.64 = 108,264.96/x
  3. Step 3: Cross multiply
    265,923.36x = 398,960.64 × 108,264.96
  4. Step 4: Simplify right side
    265,923.36x = 43,193,457,731.17
  5. Step 5: Solve for x
    x = 43,193,457,731.17/265,923.36
  6. Step 6: Final answer
    x = 162,428.22

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