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Finding the Fourth Proportional to 54,492.13, 81,735.93 and 18,961.58

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Solution

The fourth proportional to 54,492.13, 81,735.93 and 18,961.58 is: 28,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,492.13 : 81,735.93 = 18,961.58 : x
  2. Step 2: Convert to fraction form
    54,492.13/81,735.93 = 18,961.58/x
  3. Step 3: Cross multiply
    54,492.13x = 81,735.93 × 18,961.58
  4. Step 4: Simplify right side
    54,492.13x = 1,549,842,375.57
  5. Step 5: Solve for x
    x = 1,549,842,375.57/54,492.13
  6. Step 6: Final answer
    x = 28,441.58

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