Finding the Fourth Proportional to 7,105.92, 10,659.48 and 1,912.08

Step by Step Solution

1. Step 1: Write the proportion equation
   7,105.92 : 10,659.48 = 1,912.08 : x
2. Step 2: Convert to fraction form
   7,105.92/10,659.48 = 1,912.08/x
3. Step 3: Cross multiply
   7,105.92x = 10,659.48 × 1,912.08
4. Step 4: Simplify right side
   7,105.92x = 20,381,778.52
5. Step 5: Solve for x
   x = 20,381,778.52/7,105.92
6. Step 6: Final answer
   x = 2,868.28