Finding the Fourth Proportional to 2,200.55, 3,302.73 and 1,161.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.55 : 3,302.73 = 1,161.32 : x
2. Step 2: Convert to fraction form
   2,200.55/3,302.73 = 1,161.32/x
3. Step 3: Cross multiply
   2,200.55x = 3,302.73 × 1,161.32
4. Step 4: Simplify right side
   2,200.55x = 3,835,509.89
5. Step 5: Solve for x
   x = 3,835,509.89/2,200.55
6. Step 6: Final answer
   x = 1,742.98