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Finding the Fourth Proportional to 288,736.32, 433,151.18 and 89,009.98

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Solution

The fourth proportional to 288,736.32, 433,151.18 and 89,009.98 is: 133,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,736.32 : 433,151.18 = 89,009.98 : x
  2. Step 2: Convert to fraction form
    288,736.32/433,151.18 = 89,009.98/x
  3. Step 3: Cross multiply
    288,736.32x = 433,151.18 × 89,009.98
  4. Step 4: Simplify right side
    288,736.32x = 38,554,777,868.78
  5. Step 5: Solve for x
    x = 38,554,777,868.78/288,736.32
  6. Step 6: Final answer
    x = 133,529.37

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