Finding the Fourth Proportional to 2,393.29, 3,587.86 and 1,161.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,393.29 : 3,587.86 = 1,161.55 : x
2. Step 2: Convert to fraction form
   2,393.29/3,587.86 = 1,161.55/x
3. Step 3: Cross multiply
   2,393.29x = 3,587.86 × 1,161.55
4. Step 4: Simplify right side
   2,393.29x = 4,167,478.78
5. Step 5: Solve for x
   x = 4,167,478.78/2,393.29
6. Step 6: Final answer
   x = 1,741.32