Finding the Fourth Proportional to 9,498.82, 13,114.56 and 8,502.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,498.82 : 13,114.56 = 8,502.40 : x
2. Step 2: Convert to fraction form
   9,498.82/13,114.56 = 8,502.40/x
3. Step 3: Cross multiply
   9,498.82x = 13,114.56 × 8,502.40
4. Step 4: Simplify right side
   9,498.82x = 111,505,234.94
5. Step 5: Solve for x
   x = 111,505,234.94/9,498.82
6. Step 6: Final answer
   x = 11,738.85