Finding the Fourth Proportional to 2,326.70, 3,210.79 and 1,264.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,326.70 : 3,210.79 = 1,264.43 : x
2. Step 2: Convert to fraction form
   2,326.70/3,210.79 = 1,264.43/x
3. Step 3: Cross multiply
   2,326.70x = 3,210.79 × 1,264.43
4. Step 4: Simplify right side
   2,326.70x = 4,059,819.20
5. Step 5: Solve for x
   x = 4,059,819.20/2,326.70
6. Step 6: Final answer
   x = 1,744.88