Finding the Fourth Proportional to 3,079.72, 4,622.72 and 2,255.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,079.72 : 4,622.72 = 2,255.54 : x
2. Step 2: Convert to fraction form
   3,079.72/4,622.72 = 2,255.54/x
3. Step 3: Cross multiply
   3,079.72x = 4,622.72 × 2,255.54
4. Step 4: Simplify right side
   3,079.72x = 10,426,729.87
5. Step 5: Solve for x
   x = 10,426,729.87/3,079.72
6. Step 6: Final answer
   x = 3,385.61