Finding the Fourth Proportional to 1,168.30, 1,612.22 and 696.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.30 : 1,612.22 = 696.18 : x
2. Step 2: Convert to fraction form
   1,168.30/1,612.22 = 696.18/x
3. Step 3: Cross multiply
   1,168.30x = 1,612.22 × 696.18
4. Step 4: Simplify right side
   1,168.30x = 1,122,395.32
5. Step 5: Solve for x
   x = 1,122,395.32/1,168.30
6. Step 6: Final answer
   x = 960.71