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Finding the Fourth Proportional to 99,564.88, 137,399.48 and 54,852.88

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Solution

The fourth proportional to 99,564.88, 137,399.48 and 54,852.88 is: 75,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,564.88 : 137,399.48 = 54,852.88 : x
  2. Step 2: Convert to fraction form
    99,564.88/137,399.48 = 54,852.88/x
  3. Step 3: Cross multiply
    99,564.88x = 137,399.48 × 54,852.88
  4. Step 4: Simplify right side
    99,564.88x = 7,536,757,188.50
  5. Step 5: Solve for x
    x = 7,536,757,188.50/99,564.88
  6. Step 6: Final answer
    x = 75,696.94

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