Finding the Fourth Proportional to 11,424.38, 17,131.97 and 3,525.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,424.38 : 17,131.97 = 3,525.12 : x
2. Step 2: Convert to fraction form
   11,424.38/17,131.97 = 3,525.12/x
3. Step 3: Cross multiply
   11,424.38x = 17,131.97 × 3,525.12
4. Step 4: Simplify right side
   11,424.38x = 60,392,258.90
5. Step 5: Solve for x
   x = 60,392,258.90/11,424.38
6. Step 6: Final answer
   x = 5,286.26