Finding the Fourth Proportional to 1,168.55, 1,761.39 and 1,152.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.55 : 1,761.39 = 1,152.15 : x
2. Step 2: Convert to fraction form
   1,168.55/1,761.39 = 1,152.15/x
3. Step 3: Cross multiply
   1,168.55x = 1,761.39 × 1,152.15
4. Step 4: Simplify right side
   1,168.55x = 2,029,385.49
5. Step 5: Solve for x
   x = 2,029,385.49/1,168.55
6. Step 6: Final answer
   x = 1,736.67