Finding the Fourth Proportional to 2,210.81, 3,312.32 and 1,168.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.81 : 3,312.32 = 1,168.52 : x
2. Step 2: Convert to fraction form
   2,210.81/3,312.32 = 1,168.52/x
3. Step 3: Cross multiply
   2,210.81x = 3,312.32 × 1,168.52
4. Step 4: Simplify right side
   2,210.81x = 3,870,512.17
5. Step 5: Solve for x
   x = 3,870,512.17/2,210.81
6. Step 6: Final answer
   x = 1,750.72