Finding the Fourth Proportional to 2,255.56, 3,357.89 and 2,224.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.56 : 3,357.89 = 2,224.78 : x
2. Step 2: Convert to fraction form
   2,255.56/3,357.89 = 2,224.78/x
3. Step 3: Cross multiply
   2,255.56x = 3,357.89 × 2,224.78
4. Step 4: Simplify right side
   2,255.56x = 7,470,566.51
5. Step 5: Solve for x
   x = 7,470,566.51/2,255.56
6. Step 6: Final answer
   x = 3,312.07