Finding the Fourth Proportional to 1,255.55, 1,732.71 and 696.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255.55 : 1,732.71 = 696.02 : x
2. Step 2: Convert to fraction form
   1,255.55/1,732.71 = 696.02/x
3. Step 3: Cross multiply
   1,255.55x = 1,732.71 × 696.02
4. Step 4: Simplify right side
   1,255.55x = 1,205,992.15
5. Step 5: Solve for x
   x = 1,205,992.15/1,255.55
6. Step 6: Final answer
   x = 960.53