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Finding the Fourth Proportional to 54,736.40, 82,104.60 and 28,492.40

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Solution

The fourth proportional to 54,736.40, 82,104.60 and 28,492.40 is: 42,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,736.40 : 82,104.60 = 28,492.40 : x
  2. Step 2: Convert to fraction form
    54,736.40/82,104.60 = 28,492.40/x
  3. Step 3: Cross multiply
    54,736.40x = 82,104.60 × 28,492.40
  4. Step 4: Simplify right side
    54,736.40x = 2,339,357,105.04
  5. Step 5: Solve for x
    x = 2,339,357,105.04/54,736.40
  6. Step 6: Final answer
    x = 42,738.60

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