Finding the Fourth Proportional to 82,630.77, 123,753.91 and 80,357.91

Step by Step Solution

1. Step 1: Write the proportion equation
   82,630.77 : 123,753.91 = 80,357.91 : x
2. Step 2: Convert to fraction form
   82,630.77/123,753.91 = 80,357.91/x
3. Step 3: Cross multiply
   82,630.77x = 123,753.91 × 80,357.91
4. Step 4: Simplify right side
   82,630.77x = 9,944,605,561.93
5. Step 5: Solve for x
   x = 9,944,605,561.93/82,630.77
6. Step 6: Final answer
   x = 120,349.91