Finding the Fourth Proportional to 2,222.32, 3,064.60 and 1,724.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.32 : 3,064.60 = 1,724.78 : x
2. Step 2: Convert to fraction form
   2,222.32/3,064.60 = 1,724.78/x
3. Step 3: Cross multiply
   2,222.32x = 3,064.60 × 1,724.78
4. Step 4: Simplify right side
   2,222.32x = 5,285,760.79
5. Step 5: Solve for x
   x = 5,285,760.79/2,222.32
6. Step 6: Final answer
   x = 2,378.49