Finding the Fourth Proportional to 2,263.43, 3,395.72 and 876.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.43 : 3,395.72 = 876.40 : x
2. Step 2: Convert to fraction form
   2,263.43/3,395.72 = 876.40/x
3. Step 3: Cross multiply
   2,263.43x = 3,395.72 × 876.40
4. Step 4: Simplify right side
   2,263.43x = 2,976,002.71
5. Step 5: Solve for x
   x = 2,976,002.71/2,263.43
6. Step 6: Final answer
   x = 1,314.82