Finding the Fourth Proportional to 3,150.80, 4,723.96 and 2,109.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,150.80 : 4,723.96 = 2,109.52 : x
2. Step 2: Convert to fraction form
   3,150.80/4,723.96 = 2,109.52/x
3. Step 3: Cross multiply
   3,150.80x = 4,723.96 × 2,109.52
4. Step 4: Simplify right side
   3,150.80x = 9,965,288.10
5. Step 5: Solve for x
   x = 9,965,288.10/3,150.80
6. Step 6: Final answer
   x = 3,162.78