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Finding the Fourth Proportional to 99,760.80, 149,662.80 and 36,578.28

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Solution

The fourth proportional to 99,760.80, 149,662.80 and 36,578.28 is: 54,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,760.80 : 149,662.80 = 36,578.28 : x
  2. Step 2: Convert to fraction form
    99,760.80/149,662.80 = 36,578.28/x
  3. Step 3: Cross multiply
    99,760.80x = 149,662.80 × 36,578.28
  4. Step 4: Simplify right side
    99,760.80x = 5,474,407,803.98
  5. Step 5: Solve for x
    x = 5,474,407,803.98/99,760.80
  6. Step 6: Final answer
    x = 54,875.34

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