Finding the Fourth Proportional to 1,003.72, 1,382.86 and 737.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.72 : 1,382.86 = 737.68 : x
2. Step 2: Convert to fraction form
   1,003.72/1,382.86 = 737.68/x
3. Step 3: Cross multiply
   1,003.72x = 1,382.86 × 737.68
4. Step 4: Simplify right side
   1,003.72x = 1,020,108.16
5. Step 5: Solve for x
   x = 1,020,108.16/1,003.72
6. Step 6: Final answer
   x = 1,016.33