Finding the Fourth Proportional to 9,114.55, 12,496.04 and 8,948.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,114.55 : 12,496.04 = 8,948.48 : x
2. Step 2: Convert to fraction form
   9,114.55/12,496.04 = 8,948.48/x
3. Step 3: Cross multiply
   9,114.55x = 12,496.04 × 8,948.48
4. Step 4: Simplify right side
   9,114.55x = 111,820,523.91
5. Step 5: Solve for x
   x = 111,820,523.91/9,114.55
6. Step 6: Final answer
   x = 12,268.36