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Finding the Fourth Proportional to 65,392.96, 98,078.44 and 18,634.72

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Solution

The fourth proportional to 65,392.96, 98,078.44 and 18,634.72 is: 27,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,392.96 : 98,078.44 = 18,634.72 : x
  2. Step 2: Convert to fraction form
    65,392.96/98,078.44 = 18,634.72/x
  3. Step 3: Cross multiply
    65,392.96x = 98,078.44 × 18,634.72
  4. Step 4: Simplify right side
    65,392.96x = 1,827,664,267.44
  5. Step 5: Solve for x
    x = 1,827,664,267.44/65,392.96
  6. Step 6: Final answer
    x = 27,948.95

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