Finding the Fourth Proportional to 11,224.72, 16,843.12 and 4,209.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,224.72 : 16,843.12 = 4,209.48 : x
2. Step 2: Convert to fraction form
   11,224.72/16,843.12 = 4,209.48/x
3. Step 3: Cross multiply
   11,224.72x = 16,843.12 × 4,209.48
4. Step 4: Simplify right side
   11,224.72x = 70,900,776.78
5. Step 5: Solve for x
   x = 70,900,776.78/11,224.72
6. Step 6: Final answer
   x = 6,316.49