Finding the Fourth Proportional to 1,382.44, 1,907.72 and 752.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.44 : 1,907.72 = 752.96 : x
2. Step 2: Convert to fraction form
   1,382.44/1,907.72 = 752.96/x
3. Step 3: Cross multiply
   1,382.44x = 1,907.72 × 752.96
4. Step 4: Simplify right side
   1,382.44x = 1,436,436.85
5. Step 5: Solve for x
   x = 1,436,436.85/1,382.44
6. Step 6: Final answer
   x = 1,039.06