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Finding the Fourth Proportional to 355,911.02, 491,141.45 and 194,772.86

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Solution

The fourth proportional to 355,911.02, 491,141.45 and 194,772.86 is: 268,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,911.02 : 491,141.45 = 194,772.86 : x
  2. Step 2: Convert to fraction form
    355,911.02/491,141.45 = 194,772.86/x
  3. Step 3: Cross multiply
    355,911.02x = 491,141.45 × 194,772.86
  4. Step 4: Simplify right side
    355,911.02x = 95,661,021,451.48
  5. Step 5: Solve for x
    x = 95,661,021,451.48/355,911.02
  6. Step 6: Final answer
    x = 268,777.92

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