Finding the Fourth Proportional to 4,123.60, 5,690.98 and 2,355.47

Step by Step Solution

1. Step 1: Write the proportion equation
   4,123.60 : 5,690.98 = 2,355.47 : x
2. Step 2: Convert to fraction form
   4,123.60/5,690.98 = 2,355.47/x
3. Step 3: Cross multiply
   4,123.60x = 5,690.98 × 2,355.47
4. Step 4: Simplify right side
   4,123.60x = 13,404,920.88
5. Step 5: Solve for x
   x = 13,404,920.88/4,123.60
6. Step 6: Final answer
   x = 3,250.78