Finding the Fourth Proportional to 2,254.79, 3,381.18 and 1,022.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.79 : 3,381.18 = 1,022.15 : x
2. Step 2: Convert to fraction form
   2,254.79/3,381.18 = 1,022.15/x
3. Step 3: Cross multiply
   2,254.79x = 3,381.18 × 1,022.15
4. Step 4: Simplify right side
   2,254.79x = 3,456,056.23
5. Step 5: Solve for x
   x = 3,456,056.23/2,254.79
6. Step 6: Final answer
   x = 1,532.77