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Finding the Fourth Proportional to 644,022.90, 966,034.35 and 164,249.78

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Solution

The fourth proportional to 644,022.90, 966,034.35 and 164,249.78 is: 246,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,022.90 : 966,034.35 = 164,249.78 : x
  2. Step 2: Convert to fraction form
    644,022.90/966,034.35 = 164,249.78/x
  3. Step 3: Cross multiply
    644,022.90x = 966,034.35 × 164,249.78
  4. Step 4: Simplify right side
    644,022.90x = 158,670,924,629.77
  5. Step 5: Solve for x
    x = 158,670,924,629.77/644,022.90
  6. Step 6: Final answer
    x = 246,374.66

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