Finding the Fourth Proportional to 1,747.32, 2,617.55 and 1,160.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.32 : 2,617.55 = 1,160.57 : x
2. Step 2: Convert to fraction form
   1,747.32/2,617.55 = 1,160.57/x
3. Step 3: Cross multiply
   1,747.32x = 2,617.55 × 1,160.57
4. Step 4: Simplify right side
   1,747.32x = 3,037,844.20
5. Step 5: Solve for x
   x = 3,037,844.20/1,747.32
6. Step 6: Final answer
   x = 1,738.58