Finding the Fourth Proportional to 1,171.76, 1,616.61 and 752.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.76 : 1,616.61 = 752.07 : x
2. Step 2: Convert to fraction form
   1,171.76/1,616.61 = 752.07/x
3. Step 3: Cross multiply
   1,171.76x = 1,616.61 × 752.07
4. Step 4: Simplify right side
   1,171.76x = 1,215,803.88
5. Step 5: Solve for x
   x = 1,215,803.88/1,171.76
6. Step 6: Final answer
   x = 1,037.59