Finding the Fourth Proportional to 2,328.55, 3,213.34 and 1,266.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,328.55 : 3,213.34 = 1,266.27 : x
2. Step 2: Convert to fraction form
   2,328.55/3,213.34 = 1,266.27/x
3. Step 3: Cross multiply
   2,328.55x = 3,213.34 × 1,266.27
4. Step 4: Simplify right side
   2,328.55x = 4,068,940.83
5. Step 5: Solve for x
   x = 4,068,940.83/2,328.55
6. Step 6: Final answer
   x = 1,747.42