Finding the Fourth Proportional to 2,254.50, 3,111.21 and 1,323

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.50 : 3,111.21 = 1,323 : x
2. Step 2: Convert to fraction form
   2,254.50/3,111.21 = 1,323/x
3. Step 3: Cross multiply
   2,254.50x = 3,111.21 × 1,323
4. Step 4: Simplify right side
   2,254.50x = 4,116,130.83
5. Step 5: Solve for x
   x = 4,116,130.83/2,254.50
6. Step 6: Final answer
   x = 1,825.74