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Finding the Fourth Proportional to 536,844.12, 804,675.68 and 221,128.80

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Solution

The fourth proportional to 536,844.12, 804,675.68 and 221,128.80 is: 331,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,844.12 : 804,675.68 = 221,128.80 : x
  2. Step 2: Convert to fraction form
    536,844.12/804,675.68 = 221,128.80/x
  3. Step 3: Cross multiply
    536,844.12x = 804,675.68 × 221,128.80
  4. Step 4: Simplify right side
    536,844.12x = 177,936,967,507.58
  5. Step 5: Solve for x
    x = 177,936,967,507.58/536,844.12
  6. Step 6: Final answer
    x = 331,449.97

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