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Finding the Fourth Proportional to 74,331.12, 111,492.36 and 54,360.84

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Solution

The fourth proportional to 74,331.12, 111,492.36 and 54,360.84 is: 81,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,331.12 : 111,492.36 = 54,360.84 : x
  2. Step 2: Convert to fraction form
    74,331.12/111,492.36 = 54,360.84/x
  3. Step 3: Cross multiply
    74,331.12x = 111,492.36 × 54,360.84
  4. Step 4: Simplify right side
    74,331.12x = 6,060,818,343.18
  5. Step 5: Solve for x
    x = 6,060,818,343.18/74,331.12
  6. Step 6: Final answer
    x = 81,538.10

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