Finding the Fourth Proportional to 11,174.72, 16,736.56 and 5,335.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,174.72 : 16,736.56 = 5,335.43 : x
2. Step 2: Convert to fraction form
   11,174.72/16,736.56 = 5,335.43/x
3. Step 3: Cross multiply
   11,174.72x = 16,736.56 × 5,335.43
4. Step 4: Simplify right side
   11,174.72x = 89,296,744.32
5. Step 5: Solve for x
   x = 89,296,744.32/11,174.72
6. Step 6: Final answer
   x = 7,990.96