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Finding the Fourth Proportional to 77,855.10, 107,443.97 and 47,630.96

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Solution

The fourth proportional to 77,855.10, 107,443.97 and 47,630.96 is: 65,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,855.10 : 107,443.97 = 47,630.96 : x
  2. Step 2: Convert to fraction form
    77,855.10/107,443.97 = 47,630.96/x
  3. Step 3: Cross multiply
    77,855.10x = 107,443.97 × 47,630.96
  4. Step 4: Simplify right side
    77,855.10x = 5,117,659,437.31
  5. Step 5: Solve for x
    x = 5,117,659,437.31/77,855.10
  6. Step 6: Final answer
    x = 65,733.13

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