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Finding the Fourth Proportional to 284,541.72, 392,666.78 and 157,216.41

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Solution

The fourth proportional to 284,541.72, 392,666.78 and 157,216.41 is: 216,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,541.72 : 392,666.78 = 157,216.41 : x
  2. Step 2: Convert to fraction form
    284,541.72/392,666.78 = 157,216.41/x
  3. Step 3: Cross multiply
    284,541.72x = 392,666.78 × 157,216.41
  4. Step 4: Simplify right side
    284,541.72x = 61,733,661,477.86
  5. Step 5: Solve for x
    x = 61,733,661,477.86/284,541.72
  6. Step 6: Final answer
    x = 216,958.21

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