Finding the Fourth Proportional to 2,399.52, 3,599.76 and 756.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.52 : 3,599.76 = 756.22 : x
2. Step 2: Convert to fraction form
   2,399.52/3,599.76 = 756.22/x
3. Step 3: Cross multiply
   2,399.52x = 3,599.76 × 756.22
4. Step 4: Simplify right side
   2,399.52x = 2,722,210.51
5. Step 5: Solve for x
   x = 2,722,210.51/2,399.52
6. Step 6: Final answer
   x = 1,134.48