Finding the Fourth Proportional to 2,222.85, 3,330.82 and 1,563.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.85 : 3,330.82 = 1,563.55 : x
2. Step 2: Convert to fraction form
   2,222.85/3,330.82 = 1,563.55/x
3. Step 3: Cross multiply
   2,222.85x = 3,330.82 × 1,563.55
4. Step 4: Simplify right side
   2,222.85x = 5,207,903.61
5. Step 5: Solve for x
   x = 5,207,903.61/2,222.85
6. Step 6: Final answer
   x = 2,342.89