Finding the Fourth Proportional to 9,268.50, 13,965.99 and 7,661.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,268.50 : 13,965.99 = 7,661.05 : x
2. Step 2: Convert to fraction form
   9,268.50/13,965.99 = 7,661.05/x
3. Step 3: Cross multiply
   9,268.50x = 13,965.99 × 7,661.05
4. Step 4: Simplify right side
   9,268.50x = 106,994,109.38
5. Step 5: Solve for x
   x = 106,994,109.38/9,268.50
6. Step 6: Final answer
   x = 11,543.85