Finding the Fourth Proportional to 2,328.50, 3,213.18 and 1,333.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,328.50 : 3,213.18 = 1,333.55 : x
2. Step 2: Convert to fraction form
   2,328.50/3,213.18 = 1,333.55/x
3. Step 3: Cross multiply
   2,328.50x = 3,213.18 × 1,333.55
4. Step 4: Simplify right side
   2,328.50x = 4,284,920.12
5. Step 5: Solve for x
   x = 4,284,920.12/2,328.50
6. Step 6: Final answer
   x = 1,840.21