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Finding the Fourth Proportional to 381,824.64, 526,910.40 and 212,052.96

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Solution

The fourth proportional to 381,824.64, 526,910.40 and 212,052.96 is: 292,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,824.64 : 526,910.40 = 212,052.96 : x
  2. Step 2: Convert to fraction form
    381,824.64/526,910.40 = 212,052.96/x
  3. Step 3: Cross multiply
    381,824.64x = 526,910.40 × 212,052.96
  4. Step 4: Simplify right side
    381,824.64x = 111,732,909,974.78
  5. Step 5: Solve for x
    x = 111,732,909,974.78/381,824.64
  6. Step 6: Final answer
    x = 292,628.86

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