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Finding the Fourth Proportional to 76,768.26, 105,940.43 and 44,509.15

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Solution

The fourth proportional to 76,768.26, 105,940.43 and 44,509.15 is: 61,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,768.26 : 105,940.43 = 44,509.15 : x
  2. Step 2: Convert to fraction form
    76,768.26/105,940.43 = 44,509.15/x
  3. Step 3: Cross multiply
    76,768.26x = 105,940.43 × 44,509.15
  4. Step 4: Simplify right side
    76,768.26x = 4,715,318,489.93
  5. Step 5: Solve for x
    x = 4,715,318,489.93/76,768.26
  6. Step 6: Final answer
    x = 61,422.76

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