Finding the Fourth Proportional to 1,350.89, 1,864.23 and 729.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.89 : 1,864.23 = 729.89 : x
2. Step 2: Convert to fraction form
   1,350.89/1,864.23 = 729.89/x
3. Step 3: Cross multiply
   1,350.89x = 1,864.23 × 729.89
4. Step 4: Simplify right side
   1,350.89x = 1,360,683.32
5. Step 5: Solve for x
   x = 1,360,683.32/1,350.89
6. Step 6: Final answer
   x = 1,007.25