Finding the Fourth Proportional to 2,109.24, 3,161.94 and 875.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.24 : 3,161.94 = 875.88 : x
2. Step 2: Convert to fraction form
   2,109.24/3,161.94 = 875.88/x
3. Step 3: Cross multiply
   2,109.24x = 3,161.94 × 875.88
4. Step 4: Simplify right side
   2,109.24x = 2,769,480.01
5. Step 5: Solve for x
   x = 2,769,480.01/2,109.24
6. Step 6: Final answer
   x = 1,313.02