Finding the Fourth Proportional to 1,160.80, 1,738.56 and 1,150.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.80 : 1,738.56 = 1,150.96 : x
2. Step 2: Convert to fraction form
   1,160.80/1,738.56 = 1,150.96/x
3. Step 3: Cross multiply
   1,160.80x = 1,738.56 × 1,150.96
4. Step 4: Simplify right side
   1,160.80x = 2,001,013.02
5. Step 5: Solve for x
   x = 2,001,013.02/1,160.80
6. Step 6: Final answer
   x = 1,723.82