Finding the Fourth Proportional to 2,222.41, 3,327.67 and 1,440.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.41 : 3,327.67 = 1,440.15 : x
2. Step 2: Convert to fraction form
   2,222.41/3,327.67 = 1,440.15/x
3. Step 3: Cross multiply
   2,222.41x = 3,327.67 × 1,440.15
4. Step 4: Simplify right side
   2,222.41x = 4,792,343.95
5. Step 5: Solve for x
   x = 4,792,343.95/2,222.41
6. Step 6: Final answer
   x = 2,156.37