Finding the Fourth Proportional to 8,260.86, 12,391.86 and 3,330.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,260.86 : 12,391.86 = 3,330.52 : x
2. Step 2: Convert to fraction form
   8,260.86/12,391.86 = 3,330.52/x
3. Step 3: Cross multiply
   8,260.86x = 12,391.86 × 3,330.52
4. Step 4: Simplify right side
   8,260.86x = 41,271,337.57
5. Step 5: Solve for x
   x = 41,271,337.57/8,260.86
6. Step 6: Final answer
   x = 4,996.01