Finding the Fourth Proportional to 11,254.24, 15,540.86 and 7,012.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,254.24 : 15,540.86 = 7,012.60 : x
2. Step 2: Convert to fraction form
   11,254.24/15,540.86 = 7,012.60/x
3. Step 3: Cross multiply
   11,254.24x = 15,540.86 × 7,012.60
4. Step 4: Simplify right side
   11,254.24x = 108,981,799.77
5. Step 5: Solve for x
   x = 108,981,799.77/11,254.24
6. Step 6: Final answer
   x = 9,683.62