Finding the Fourth Proportional to 2,385.16, 3,291.71 and 1,323.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.16 : 3,291.71 = 1,323.02 : x
2. Step 2: Convert to fraction form
   2,385.16/3,291.71 = 1,323.02/x
3. Step 3: Cross multiply
   2,385.16x = 3,291.71 × 1,323.02
4. Step 4: Simplify right side
   2,385.16x = 4,354,999.78
5. Step 5: Solve for x
   x = 4,354,999.78/2,385.16
6. Step 6: Final answer
   x = 1,825.88