Finding the Fourth Proportional to 11,649.50, 17,474.27 and 5,408.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,649.50 : 17,474.27 = 5,408.72 : x
2. Step 2: Convert to fraction form
   11,649.50/17,474.27 = 5,408.72/x
3. Step 3: Cross multiply
   11,649.50x = 17,474.27 × 5,408.72
4. Step 4: Simplify right side
   11,649.50x = 94,513,359.78
5. Step 5: Solve for x
   x = 94,513,359.78/11,649.50
6. Step 6: Final answer
   x = 8,113.09