Finding the Fourth Proportional to 3,105.86, 4,653.57 and 2,223.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.86 : 4,653.57 = 2,223.87 : x
2. Step 2: Convert to fraction form
   3,105.86/4,653.57 = 2,223.87/x
3. Step 3: Cross multiply
   3,105.86x = 4,653.57 × 2,223.87
4. Step 4: Simplify right side
   3,105.86x = 10,348,934.72
5. Step 5: Solve for x
   x = 10,348,934.72/3,105.86
6. Step 6: Final answer
   x = 3,332.07