Finding the Fourth Proportional to 11,169.30, 15,414.03 and 7,399.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,169.30 : 15,414.03 = 7,399.02 : x
2. Step 2: Convert to fraction form
   11,169.30/15,414.03 = 7,399.02/x
3. Step 3: Cross multiply
   11,169.30x = 15,414.03 × 7,399.02
4. Step 4: Simplify right side
   11,169.30x = 114,048,716.25
5. Step 5: Solve for x
   x = 114,048,716.25/11,169.30
6. Step 6: Final answer
   x = 10,210.91