Finding the Fourth Proportional to 1,253.89, 1,730.03 and 729.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.89 : 1,730.03 = 729.85 : x
2. Step 2: Convert to fraction form
   1,253.89/1,730.03 = 729.85/x
3. Step 3: Cross multiply
   1,253.89x = 1,730.03 × 729.85
4. Step 4: Simplify right side
   1,253.89x = 1,262,658.75
5. Step 5: Solve for x
   x = 1,262,658.75/1,253.89
6. Step 6: Final answer
   x = 1,006.99