Finding the Fourth Proportional to 11,772.66, 17,642.56 and 8,847.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,772.66 : 17,642.56 = 8,847.54 : x
2. Step 2: Convert to fraction form
   11,772.66/17,642.56 = 8,847.54/x
3. Step 3: Cross multiply
   11,772.66x = 17,642.56 × 8,847.54
4. Step 4: Simplify right side
   11,772.66x = 156,093,255.30
5. Step 5: Solve for x
   x = 156,093,255.30/11,772.66
6. Step 6: Final answer
   x = 13,258.96