Finding the Fourth Proportional to 2,108.16, 3,162.86 and 875.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.16 : 3,162.86 = 875.34 : x
2. Step 2: Convert to fraction form
   2,108.16/3,162.86 = 875.34/x
3. Step 3: Cross multiply
   2,108.16x = 3,162.86 × 875.34
4. Step 4: Simplify right side
   2,108.16x = 2,768,573.50
5. Step 5: Solve for x
   x = 2,768,573.50/2,108.16
6. Step 6: Final answer
   x = 1,313.27