Finding the Fourth Proportional to 11,300.72, 16,945.31 and 6,622.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,300.72 : 16,945.31 = 6,622.23 : x
2. Step 2: Convert to fraction form
   11,300.72/16,945.31 = 6,622.23/x
3. Step 3: Cross multiply
   11,300.72x = 16,945.31 × 6,622.23
4. Step 4: Simplify right side
   11,300.72x = 112,215,756.80
5. Step 5: Solve for x
   x = 112,215,756.80/11,300.72
6. Step 6: Final answer
   x = 9,929.96