Finding the Fourth Proportional to 9,961.48, 14,901.18 and 8,851.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,961.48 : 14,901.18 = 8,851.60 : x
2. Step 2: Convert to fraction form
   9,961.48/14,901.18 = 8,851.60/x
3. Step 3: Cross multiply
   9,961.48x = 14,901.18 × 8,851.60
4. Step 4: Simplify right side
   9,961.48x = 131,899,284.89
5. Step 5: Solve for x
   x = 131,899,284.89/9,961.48
6. Step 6: Final answer
   x = 13,240.93