Finding the Fourth Proportional to 1,155.56, 1,595.38 and 752.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.56 : 1,595.38 = 752.17 : x
2. Step 2: Convert to fraction form
   1,155.56/1,595.38 = 752.17/x
3. Step 3: Cross multiply
   1,155.56x = 1,595.38 × 752.17
4. Step 4: Simplify right side
   1,155.56x = 1,200,003.90
5. Step 5: Solve for x
   x = 1,200,003.90/1,155.56
6. Step 6: Final answer
   x = 1,038.46