Finding the Fourth Proportional to 4,123.68, 5,690.72 and 2,355.04

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123.68 : 5,690.72 = 2,355.04 : x
2. Step 2: Convert to fraction form
   4,123.68/5,690.72 = 2,355.04/x
3. Step 3: Cross multiply
   4,123.68x = 5,690.72 × 2,355.04
4. Step 4: Simplify right side
   4,123.68x = 13,401,873.23
5. Step 5: Solve for x
   x = 13,401,873.23/4,123.68
6. Step 6: Final answer
   x = 3,249.98