Finding the Fourth Proportional to 1,047.72, 1,443.88 and 752.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.72 : 1,443.88 = 752.48 : x
2. Step 2: Convert to fraction form
   1,047.72/1,443.88 = 752.48/x
3. Step 3: Cross multiply
   1,047.72x = 1,443.88 × 752.48
4. Step 4: Simplify right side
   1,047.72x = 1,086,490.82
5. Step 5: Solve for x
   x = 1,086,490.82/1,047.72
6. Step 6: Final answer
   x = 1,037.00