Finding the Fourth Proportional to 11,174.49, 16,736.22 and 5,335.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,174.49 : 16,736.22 = 5,335.20 : x
2. Step 2: Convert to fraction form
   11,174.49/16,736.22 = 5,335.20/x
3. Step 3: Cross multiply
   11,174.49x = 16,736.22 × 5,335.20
4. Step 4: Simplify right side
   11,174.49x = 89,291,080.94
5. Step 5: Solve for x
   x = 89,291,080.94/11,174.49
6. Step 6: Final answer
   x = 7,990.62