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Finding the Fourth Proportional to 284,698.80, 392,884.20 and 157,374.36

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Solution

The fourth proportional to 284,698.80, 392,884.20 and 157,374.36 is: 217,176.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,698.80 : 392,884.20 = 157,374.36 : x
  2. Step 2: Convert to fraction form
    284,698.80/392,884.20 = 157,374.36/x
  3. Step 3: Cross multiply
    284,698.80x = 392,884.20 × 157,374.36
  4. Step 4: Simplify right side
    284,698.80x = 61,829,899,529.11
  5. Step 5: Solve for x
    x = 61,829,899,529.11/284,698.80
  6. Step 6: Final answer
    x = 217,176.54

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