Finding the Fourth Proportional to 3,396.72, 5,093.16 and 1,086.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,396.72 : 5,093.16 = 1,086.96 : x
2. Step 2: Convert to fraction form
   3,396.72/5,093.16 = 1,086.96/x
3. Step 3: Cross multiply
   3,396.72x = 5,093.16 × 1,086.96
4. Step 4: Simplify right side
   3,396.72x = 5,536,061.19
5. Step 5: Solve for x
   x = 5,536,061.19/3,396.72
6. Step 6: Final answer
   x = 1,629.83