Finding the Fourth Proportional to 11,657.69, 16,097.07 and 9,504.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,657.69 : 16,097.07 = 9,504.55 : x
2. Step 2: Convert to fraction form
   11,657.69/16,097.07 = 9,504.55/x
3. Step 3: Cross multiply
   11,657.69x = 16,097.07 × 9,504.55
4. Step 4: Simplify right side
   11,657.69x = 152,995,406.67
5. Step 5: Solve for x
   x = 152,995,406.67/11,657.69
6. Step 6: Final answer
   x = 13,123.99