Finding the Fourth Proportional to 11,022.30, 15,199.56 and 9,434.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,022.30 : 15,199.56 = 9,434.25 : x
2. Step 2: Convert to fraction form
   11,022.30/15,199.56 = 9,434.25/x
3. Step 3: Cross multiply
   11,022.30x = 15,199.56 × 9,434.25
4. Step 4: Simplify right side
   11,022.30x = 143,396,448.93
5. Step 5: Solve for x
   x = 143,396,448.93/11,022.30
6. Step 6: Final answer
   x = 13,009.67