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Finding the Fourth Proportional to 66,901.80, 100,338.30 and 29,461.80

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Solution

The fourth proportional to 66,901.80, 100,338.30 and 29,461.80 is: 44,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,901.80 : 100,338.30 = 29,461.80 : x
  2. Step 2: Convert to fraction form
    66,901.80/100,338.30 = 29,461.80/x
  3. Step 3: Cross multiply
    66,901.80x = 100,338.30 × 29,461.80
  4. Step 4: Simplify right side
    66,901.80x = 2,956,146,926.94
  5. Step 5: Solve for x
    x = 2,956,146,926.94/66,901.80
  6. Step 6: Final answer
    x = 44,186.36

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