Finding the Fourth Proportional to 2,108.43, 3,162.78 and 875.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.43 : 3,162.78 = 875.94 : x
2. Step 2: Convert to fraction form
   2,108.43/3,162.78 = 875.94/x
3. Step 3: Cross multiply
   2,108.43x = 3,162.78 × 875.94
4. Step 4: Simplify right side
   2,108.43x = 2,770,393.65
5. Step 5: Solve for x
   x = 2,770,393.65/2,108.43
6. Step 6: Final answer
   x = 1,313.96