Finding the Fourth Proportional to 3,390.29, 5,082.31 and 1,168.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,390.29 : 5,082.31 = 1,168.59 : x
2. Step 2: Convert to fraction form
   3,390.29/5,082.31 = 1,168.59/x
3. Step 3: Cross multiply
   3,390.29x = 5,082.31 × 1,168.59
4. Step 4: Simplify right side
   3,390.29x = 5,939,119.04
5. Step 5: Solve for x
   x = 5,939,119.04/3,390.29
6. Step 6: Final answer
   x = 1,751.81