Finding the Fourth Proportional to 1,258.82, 1,737.30 and 727.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258.82 : 1,737.30 = 727.72 : x
2. Step 2: Convert to fraction form
   1,258.82/1,737.30 = 727.72/x
3. Step 3: Cross multiply
   1,258.82x = 1,737.30 × 727.72
4. Step 4: Simplify right side
   1,258.82x = 1,264,266.34
5. Step 5: Solve for x
   x = 1,264,266.34/1,258.82
6. Step 6: Final answer
   x = 1,004.33