Finding the Fourth Proportional to 11,722.24, 16,179.84 and 7,006.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,722.24 : 16,179.84 = 7,006.72 : x
2. Step 2: Convert to fraction form
   11,722.24/16,179.84 = 7,006.72/x
3. Step 3: Cross multiply
   11,722.24x = 16,179.84 × 7,006.72
4. Step 4: Simplify right side
   11,722.24x = 113,367,608.52
5. Step 5: Solve for x
   x = 113,367,608.52/11,722.24
6. Step 6: Final answer
   x = 9,671.16