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Finding the Fourth Proportional to 198,876.24, 298,243.32 and 65,731.92

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Solution

The fourth proportional to 198,876.24, 298,243.32 and 65,731.92 is: 98,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,876.24 : 298,243.32 = 65,731.92 : x
  2. Step 2: Convert to fraction form
    198,876.24/298,243.32 = 65,731.92/x
  3. Step 3: Cross multiply
    198,876.24x = 298,243.32 × 65,731.92
  4. Step 4: Simplify right side
    198,876.24x = 19,604,106,050.77
  5. Step 5: Solve for x
    x = 19,604,106,050.77/198,876.24
  6. Step 6: Final answer
    x = 98,574.40

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