Finding the Fourth Proportional to 82,789.52, 123,583.22 and 76,621.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,789.52 : 123,583.22 = 76,621.84 : x
2. Step 2: Convert to fraction form
   82,789.52/123,583.22 = 76,621.84/x
3. Step 3: Cross multiply
   82,789.52x = 123,583.22 × 76,621.84
4. Step 4: Simplify right side
   82,789.52x = 9,469,173,709.52
5. Step 5: Solve for x
   x = 9,469,173,709.52/82,789.52
6. Step 6: Final answer
   x = 114,376.48