Finding the Fourth Proportional to 1,250.09, 1,724.33 and 752.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.09 : 1,724.33 = 752.89 : x
2. Step 2: Convert to fraction form
   1,250.09/1,724.33 = 752.89/x
3. Step 3: Cross multiply
   1,250.09x = 1,724.33 × 752.89
4. Step 4: Simplify right side
   1,250.09x = 1,298,218.43
5. Step 5: Solve for x
   x = 1,298,218.43/1,250.09
6. Step 6: Final answer
   x = 1,038.50