Finding the Fourth Proportional to 11,061.60, 16,604.40 and 9,836.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,061.60 : 16,604.40 = 9,836.88 : x
2. Step 2: Convert to fraction form
   11,061.60/16,604.40 = 9,836.88/x
3. Step 3: Cross multiply
   11,061.60x = 16,604.40 × 9,836.88
4. Step 4: Simplify right side
   11,061.60x = 163,335,490.27
5. Step 5: Solve for x
   x = 163,335,490.27/11,061.60
6. Step 6: Final answer
   x = 14,765.99