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Finding the Fourth Proportional to 54,328.40, 81,492.60 and 36,702.80

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Solution

The fourth proportional to 54,328.40, 81,492.60 and 36,702.80 is: 55,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.40 : 81,492.60 = 36,702.80 : x
  2. Step 2: Convert to fraction form
    54,328.40/81,492.60 = 36,702.80/x
  3. Step 3: Cross multiply
    54,328.40x = 81,492.60 × 36,702.80
  4. Step 4: Simplify right side
    54,328.40x = 2,991,006,599.28
  5. Step 5: Solve for x
    x = 2,991,006,599.28/54,328.40
  6. Step 6: Final answer
    x = 55,054.20

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