Finding the Fourth Proportional to 2,321.59, 3,482.89 and 1,152.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.59 : 3,482.89 = 1,152.23 : x
2. Step 2: Convert to fraction form
   2,321.59/3,482.89 = 1,152.23/x
3. Step 3: Cross multiply
   2,321.59x = 3,482.89 × 1,152.23
4. Step 4: Simplify right side
   2,321.59x = 4,013,070.05
5. Step 5: Solve for x
   x = 4,013,070.05/2,321.59
6. Step 6: Final answer
   x = 1,728.59