Finding the Fourth Proportional to 1,171.15, 1,616.42 and 752.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.15 : 1,616.42 = 752.03 : x
2. Step 2: Convert to fraction form
   1,171.15/1,616.42 = 752.03/x
3. Step 3: Cross multiply
   1,171.15x = 1,616.42 × 752.03
4. Step 4: Simplify right side
   1,171.15x = 1,215,601.05
5. Step 5: Solve for x
   x = 1,215,601.05/1,171.15
6. Step 6: Final answer
   x = 1,037.95