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Finding the Fourth Proportional to 54,328.60, 81,492.90 and 35,666.20

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Solution

The fourth proportional to 54,328.60, 81,492.90 and 35,666.20 is: 53,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.60 : 81,492.90 = 35,666.20 : x
  2. Step 2: Convert to fraction form
    54,328.60/81,492.90 = 35,666.20/x
  3. Step 3: Cross multiply
    54,328.60x = 81,492.90 × 35,666.20
  4. Step 4: Simplify right side
    54,328.60x = 2,906,542,069.98
  5. Step 5: Solve for x
    x = 2,906,542,069.98/54,328.60
  6. Step 6: Final answer
    x = 53,499.30

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