Finding the Fourth Proportional to 22,116.75, 33,162.82 and 7,321.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,116.75 : 33,162.82 = 7,321.69 : x
2. Step 2: Convert to fraction form
   22,116.75/33,162.82 = 7,321.69/x
3. Step 3: Cross multiply
   22,116.75x = 33,162.82 × 7,321.69
4. Step 4: Simplify right side
   22,116.75x = 242,807,910.72
5. Step 5: Solve for x
   x = 242,807,910.72/22,116.75
6. Step 6: Final answer
   x = 10,978.46