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Finding the Fourth Proportional to 363,410.72, 544,918.24 and 126,689.76

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Solution

The fourth proportional to 363,410.72, 544,918.24 and 126,689.76 is: 189,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,410.72 : 544,918.24 = 126,689.76 : x
  2. Step 2: Convert to fraction form
    363,410.72/544,918.24 = 126,689.76/x
  3. Step 3: Cross multiply
    363,410.72x = 544,918.24 × 126,689.76
  4. Step 4: Simplify right side
    363,410.72x = 69,035,561,045.22
  5. Step 5: Solve for x
    x = 69,035,561,045.22/363,410.72
  6. Step 6: Final answer
    x = 189,965.67

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