Finding the Fourth Proportional to 11,223.80, 16,830.52 and 3,323.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,223.80 : 16,830.52 = 3,323.49 : x
2. Step 2: Convert to fraction form
   11,223.80/16,830.52 = 3,323.49/x
3. Step 3: Cross multiply
   11,223.80x = 16,830.52 × 3,323.49
4. Step 4: Simplify right side
   11,223.80x = 55,936,064.91
5. Step 5: Solve for x
   x = 55,936,064.91/11,223.80
6. Step 6: Final answer
   x = 4,983.70