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Finding the Fourth Proportional to 261,457.02, 392,250.94 and 74,468.52

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Solution

The fourth proportional to 261,457.02, 392,250.94 and 74,468.52 is: 111,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,457.02 : 392,250.94 = 74,468.52 : x
  2. Step 2: Convert to fraction form
    261,457.02/392,250.94 = 74,468.52/x
  3. Step 3: Cross multiply
    261,457.02x = 392,250.94 × 74,468.52
  4. Step 4: Simplify right side
    261,457.02x = 29,210,346,970.41
  5. Step 5: Solve for x
    x = 29,210,346,970.41/261,457.02
  6. Step 6: Final answer
    x = 111,721.41

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