Finding the Fourth Proportional to 1,323.72, 1,826.88 and 1,008.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,323.72 : 1,826.88 = 1,008.43 : x
2. Step 2: Convert to fraction form
   1,323.72/1,826.88 = 1,008.43/x
3. Step 3: Cross multiply
   1,323.72x = 1,826.88 × 1,008.43
4. Step 4: Simplify right side
   1,323.72x = 1,842,280.60
5. Step 5: Solve for x
   x = 1,842,280.60/1,323.72
6. Step 6: Final answer
   x = 1,391.74