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Finding the Fourth Proportional to 108,572.40, 162,858.60 and 82,328.40

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Solution

The fourth proportional to 108,572.40, 162,858.60 and 82,328.40 is: 123,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,572.40 : 162,858.60 = 82,328.40 : x
  2. Step 2: Convert to fraction form
    108,572.40/162,858.60 = 82,328.40/x
  3. Step 3: Cross multiply
    108,572.40x = 162,858.60 × 82,328.40
  4. Step 4: Simplify right side
    108,572.40x = 13,407,887,964.24
  5. Step 5: Solve for x
    x = 13,407,887,964.24/108,572.40
  6. Step 6: Final answer
    x = 123,492.60

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