Finding the Fourth Proportional to 1,854.50, 2,558.59 and 1,323.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854.50 : 2,558.59 = 1,323.47 : x
2. Step 2: Convert to fraction form
   1,854.50/2,558.59 = 1,323.47/x
3. Step 3: Cross multiply
   1,854.50x = 2,558.59 × 1,323.47
4. Step 4: Simplify right side
   1,854.50x = 3,386,220.20
5. Step 5: Solve for x
   x = 3,386,220.20/1,854.50
6. Step 6: Final answer
   x = 1,825.95