Finding the Fourth Proportional to 5,168.89, 7,751.49 and 1,658.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,168.89 : 7,751.49 = 1,658.17 : x
2. Step 2: Convert to fraction form
   5,168.89/7,751.49 = 1,658.17/x
3. Step 3: Cross multiply
   5,168.89x = 7,751.49 × 1,658.17
4. Step 4: Simplify right side
   5,168.89x = 12,853,288.17
5. Step 5: Solve for x
   x = 12,853,288.17/5,168.89
6. Step 6: Final answer
   x = 2,486.66