Finding the Fourth Proportional to 2,326.12, 3,210.04 and 1,278.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.12 : 3,210.04 = 1,278.18 : x
2. Step 2: Convert to fraction form
   2,326.12/3,210.04 = 1,278.18/x
3. Step 3: Cross multiply
   2,326.12x = 3,210.04 × 1,278.18
4. Step 4: Simplify right side
   2,326.12x = 4,103,002.54
5. Step 5: Solve for x
   x = 4,103,002.54/2,326.12
6. Step 6: Final answer
   x = 1,763.89