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Finding the Fourth Proportional to 298,713.12, 448,157.16 and 88,356.66

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Solution

The fourth proportional to 298,713.12, 448,157.16 and 88,356.66 is: 132,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,713.12 : 448,157.16 = 88,356.66 : x
  2. Step 2: Convert to fraction form
    298,713.12/448,157.16 = 88,356.66/x
  3. Step 3: Cross multiply
    298,713.12x = 448,157.16 × 88,356.66
  4. Step 4: Simplify right side
    298,713.12x = 39,597,669,812.69
  5. Step 5: Solve for x
    x = 39,597,669,812.69/298,713.12
  6. Step 6: Final answer
    x = 132,560.87

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