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Finding the Fourth Proportional to 54,322.70, 81,492.15 and 19,259.60

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Solution

The fourth proportional to 54,322.70, 81,492.15 and 19,259.60 is: 28,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322.70 : 81,492.15 = 19,259.60 : x
  2. Step 2: Convert to fraction form
    54,322.70/81,492.15 = 19,259.60/x
  3. Step 3: Cross multiply
    54,322.70x = 81,492.15 × 19,259.60
  4. Step 4: Simplify right side
    54,322.70x = 1,569,506,212.14
  5. Step 5: Solve for x
    x = 1,569,506,212.14/54,322.70
  6. Step 6: Final answer
    x = 28,892.27

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