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Finding the Fourth Proportional to 30,472.40, 45,708.60 and 26,584.40

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Solution

The fourth proportional to 30,472.40, 45,708.60 and 26,584.40 is: 39,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472.40 : 45,708.60 = 26,584.40 : x
  2. Step 2: Convert to fraction form
    30,472.40/45,708.60 = 26,584.40/x
  3. Step 3: Cross multiply
    30,472.40x = 45,708.60 × 26,584.40
  4. Step 4: Simplify right side
    30,472.40x = 1,215,135,705.84
  5. Step 5: Solve for x
    x = 1,215,135,705.84/30,472.40
  6. Step 6: Final answer
    x = 39,876.60

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