Finding the Fourth Proportional to 1,144.30, 1,579.82 and 752

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.30 : 1,579.82 = 752 : x
2. Step 2: Convert to fraction form
   1,144.30/1,579.82 = 752/x
3. Step 3: Cross multiply
   1,144.30x = 1,579.82 × 752
4. Step 4: Simplify right side
   1,144.30x = 1,188,024.64
5. Step 5: Solve for x
   x = 1,188,024.64/1,144.30
6. Step 6: Final answer
   x = 1,038.21