Finding the Fourth Proportional to 1,253.50, 1,729.83 and 729.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.50 : 1,729.83 = 729.88 : x
2. Step 2: Convert to fraction form
   1,253.50/1,729.83 = 729.88/x
3. Step 3: Cross multiply
   1,253.50x = 1,729.83 × 729.88
4. Step 4: Simplify right side
   1,253.50x = 1,262,568.32
5. Step 5: Solve for x
   x = 1,262,568.32/1,253.50
6. Step 6: Final answer
   x = 1,007.23