Finding the Fourth Proportional to 2,262.52, 3,394.91 and 876.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.52 : 3,394.91 = 876.81 : x
2. Step 2: Convert to fraction form
   2,262.52/3,394.91 = 876.81/x
3. Step 3: Cross multiply
   2,262.52x = 3,394.91 × 876.81
4. Step 4: Simplify right side
   2,262.52x = 2,976,686.86
5. Step 5: Solve for x
   x = 2,976,686.86/2,262.52
6. Step 6: Final answer
   x = 1,315.65