Finding the Fourth Proportional to 1,303.89, 1,799.23 and 744.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,303.89 : 1,799.23 = 744.31 : x
2. Step 2: Convert to fraction form
   1,303.89/1,799.23 = 744.31/x
3. Step 3: Cross multiply
   1,303.89x = 1,799.23 × 744.31
4. Step 4: Simplify right side
   1,303.89x = 1,339,184.88
5. Step 5: Solve for x
   x = 1,339,184.88/1,303.89
6. Step 6: Final answer
   x = 1,027.07