Finding the Fourth Proportional to 11,521.49, 17,294.04 and 7,149.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,521.49 : 17,294.04 = 7,149.29 : x
2. Step 2: Convert to fraction form
   11,521.49/17,294.04 = 7,149.29/x
3. Step 3: Cross multiply
   11,521.49x = 17,294.04 × 7,149.29
4. Step 4: Simplify right side
   11,521.49x = 123,640,020.76
5. Step 5: Solve for x
   x = 123,640,020.76/11,521.49
6. Step 6: Final answer
   x = 10,731.26