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Finding the Fourth Proportional to 403,692.16, 557,138.64 and 222,422.44

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Solution

The fourth proportional to 403,692.16, 557,138.64 and 222,422.44 is: 306,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,692.16 : 557,138.64 = 222,422.44 : x
  2. Step 2: Convert to fraction form
    403,692.16/557,138.64 = 222,422.44/x
  3. Step 3: Cross multiply
    403,692.16x = 557,138.64 × 222,422.44
  4. Step 4: Simplify right side
    403,692.16x = 123,920,135,727.08
  5. Step 5: Solve for x
    x = 123,920,135,727.08/403,692.16
  6. Step 6: Final answer
    x = 306,966.91

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