Finding the Fourth Proportional to 2,321.78, 3,483.25 and 1,152.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.78 : 3,483.25 = 1,152.33 : x
2. Step 2: Convert to fraction form
   2,321.78/3,483.25 = 1,152.33/x
3. Step 3: Cross multiply
   2,321.78x = 3,483.25 × 1,152.33
4. Step 4: Simplify right side
   2,321.78x = 4,013,857.12
5. Step 5: Solve for x
   x = 4,013,857.12/2,321.78
6. Step 6: Final answer
   x = 1,728.78