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Finding the Fourth Proportional to 54,148.64, 81,221.08 and 19,087.40

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Solution

The fourth proportional to 54,148.64, 81,221.08 and 19,087.40 is: 28,630.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,148.64 : 81,221.08 = 19,087.40 : x
  2. Step 2: Convert to fraction form
    54,148.64/81,221.08 = 19,087.40/x
  3. Step 3: Cross multiply
    54,148.64x = 81,221.08 × 19,087.40
  4. Step 4: Simplify right side
    54,148.64x = 1,550,299,242.39
  5. Step 5: Solve for x
    x = 1,550,299,242.39/54,148.64
  6. Step 6: Final answer
    x = 28,630.44

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