Finding the Fourth Proportional to 11,545.34, 17,315.51 and 3,648.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,545.34 : 17,315.51 = 3,648.47 : x
2. Step 2: Convert to fraction form
   11,545.34/17,315.51 = 3,648.47/x
3. Step 3: Cross multiply
   11,545.34x = 17,315.51 × 3,648.47
4. Step 4: Simplify right side
   11,545.34x = 63,175,013.95
5. Step 5: Solve for x
   x = 63,175,013.95/11,545.34
6. Step 6: Final answer
   x = 5,471.91