Finding the Fourth Proportional to 1,304.17, 1,799.90 and 744.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,304.17 : 1,799.90 = 744.78 : x
2. Step 2: Convert to fraction form
   1,304.17/1,799.90 = 744.78/x
3. Step 3: Cross multiply
   1,304.17x = 1,799.90 × 744.78
4. Step 4: Simplify right side
   1,304.17x = 1,340,529.52
5. Step 5: Solve for x
   x = 1,340,529.52/1,304.17
6. Step 6: Final answer
   x = 1,027.88