Finding the Fourth Proportional to 1,952.72, 2,696.55 and 1,255.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,952.72 : 2,696.55 = 1,255.31 : x
2. Step 2: Convert to fraction form
   1,952.72/2,696.55 = 1,255.31/x
3. Step 3: Cross multiply
   1,952.72x = 2,696.55 × 1,255.31
4. Step 4: Simplify right side
   1,952.72x = 3,385,006.18
5. Step 5: Solve for x
   x = 3,385,006.18/1,952.72
6. Step 6: Final answer
   x = 1,733.48