Finding the Fourth Proportional to 1,707.18, 2,560.98 and 732.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707.18 : 2,560.98 = 732.72 : x
2. Step 2: Convert to fraction form
   1,707.18/2,560.98 = 732.72/x
3. Step 3: Cross multiply
   1,707.18x = 2,560.98 × 732.72
4. Step 4: Simplify right side
   1,707.18x = 1,876,481.27
5. Step 5: Solve for x
   x = 1,876,481.27/1,707.18
6. Step 6: Final answer
   x = 1,099.17