Finding the Fourth Proportional to 2,350.64, 3,258.72 and 2,225.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,350.64 : 3,258.72 = 2,225.80 : x
2. Step 2: Convert to fraction form
   2,350.64/3,258.72 = 2,225.80/x
3. Step 3: Cross multiply
   2,350.64x = 3,258.72 × 2,225.80
4. Step 4: Simplify right side
   2,350.64x = 7,253,258.98
5. Step 5: Solve for x
   x = 7,253,258.98/2,350.64
6. Step 6: Final answer
   x = 3,085.65