Finding the Fourth Proportional to 3,500.10, 5,245.20 and 1,940.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,500.10 : 5,245.20 = 1,940.79 : x
2. Step 2: Convert to fraction form
   3,500.10/5,245.20 = 1,940.79/x
3. Step 3: Cross multiply
   3,500.10x = 5,245.20 × 1,940.79
4. Step 4: Simplify right side
   3,500.10x = 10,179,831.71
5. Step 5: Solve for x
   x = 10,179,831.71/3,500.10
6. Step 6: Final answer
   x = 2,908.44