Finding the Fourth Proportional to 9,078.80, 12,525.48 and 5,936.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,078.80 : 12,525.48 = 5,936.78 : x
2. Step 2: Convert to fraction form
   9,078.80/12,525.48 = 5,936.78/x
3. Step 3: Cross multiply
   9,078.80x = 12,525.48 × 5,936.78
4. Step 4: Simplify right side
   9,078.80x = 74,361,019.15
5. Step 5: Solve for x
   x = 74,361,019.15/9,078.80
6. Step 6: Final answer
   x = 8,190.62