Finding the Fourth Proportional to 4,123.43, 5,690.69 and 2,355.60

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123.43 : 5,690.69 = 2,355.60 : x
2. Step 2: Convert to fraction form
   4,123.43/5,690.69 = 2,355.60/x
3. Step 3: Cross multiply
   4,123.43x = 5,690.69 × 2,355.60
4. Step 4: Simplify right side
   4,123.43x = 13,404,989.36
5. Step 5: Solve for x
   x = 13,404,989.36/4,123.43
6. Step 6: Final answer
   x = 3,250.93