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Finding the Fourth Proportional to 77,863.20, 116,794.88 and 21,703.44

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Solution

The fourth proportional to 77,863.20, 116,794.88 and 21,703.44 is: 32,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,863.20 : 116,794.88 = 21,703.44 : x
  2. Step 2: Convert to fraction form
    77,863.20/116,794.88 = 21,703.44/x
  3. Step 3: Cross multiply
    77,863.20x = 116,794.88 × 21,703.44
  4. Step 4: Simplify right side
    77,863.20x = 2,534,850,670.39
  5. Step 5: Solve for x
    x = 2,534,850,670.39/77,863.20
  6. Step 6: Final answer
    x = 32,555.18

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