Finding the Fourth Proportional to 8,200.82, 12,305.26 and 5,079.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,200.82 : 12,305.26 = 5,079.98 : x
2. Step 2: Convert to fraction form
   8,200.82/12,305.26 = 5,079.98/x
3. Step 3: Cross multiply
   8,200.82x = 12,305.26 × 5,079.98
4. Step 4: Simplify right side
   8,200.82x = 62,510,474.69
5. Step 5: Solve for x
   x = 62,510,474.69/8,200.82
6. Step 6: Final answer
   x = 7,622.47