Finding the Fourth Proportional to 11,498.40, 17,240.18 and 5,491.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,498.40 : 17,240.18 = 5,491.22 : x
2. Step 2: Convert to fraction form
   11,498.40/17,240.18 = 5,491.22/x
3. Step 3: Cross multiply
   11,498.40x = 17,240.18 × 5,491.22
4. Step 4: Simplify right side
   11,498.40x = 94,669,593.76
5. Step 5: Solve for x
   x = 94,669,593.76/11,498.40
6. Step 6: Final answer
   x = 8,233.29