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Finding the Fourth Proportional to 413,522.10, 620,369.55 and 133,067.70

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Solution

The fourth proportional to 413,522.10, 620,369.55 and 133,067.70 is: 199,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,522.10 : 620,369.55 = 133,067.70 : x
  2. Step 2: Convert to fraction form
    413,522.10/620,369.55 = 133,067.70/x
  3. Step 3: Cross multiply
    413,522.10x = 620,369.55 × 133,067.70
  4. Step 4: Simplify right side
    413,522.10x = 82,551,149,168.54
  5. Step 5: Solve for x
    x = 82,551,149,168.54/413,522.10
  6. Step 6: Final answer
    x = 199,629.35

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