Finding the Fourth Proportional to 3,111.59, 4,660.81 and 2,332.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.59 : 4,660.81 = 2,332.78 : x
2. Step 2: Convert to fraction form
   3,111.59/4,660.81 = 2,332.78/x
3. Step 3: Cross multiply
   3,111.59x = 4,660.81 × 2,332.78
4. Step 4: Simplify right side
   3,111.59x = 10,872,626.87
5. Step 5: Solve for x
   x = 10,872,626.87/3,111.59
6. Step 6: Final answer
   x = 3,494.23