Finding the Fourth Proportional to 1,356.72, 1,872.27 and 735.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356.72 : 1,872.27 = 735.72 : x
2. Step 2: Convert to fraction form
   1,356.72/1,872.27 = 735.72/x
3. Step 3: Cross multiply
   1,356.72x = 1,872.27 × 735.72
4. Step 4: Simplify right side
   1,356.72x = 1,377,466.48
5. Step 5: Solve for x
   x = 1,377,466.48/1,356.72
6. Step 6: Final answer
   x = 1,015.29