Finding the Fourth Proportional to 22,407.62, 33,595.82 and 9,920.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,407.62 : 33,595.82 = 9,920.88 : x
2. Step 2: Convert to fraction form
   22,407.62/33,595.82 = 9,920.88/x
3. Step 3: Cross multiply
   22,407.62x = 33,595.82 × 9,920.88
4. Step 4: Simplify right side
   22,407.62x = 333,300,049.12
5. Step 5: Solve for x
   x = 333,300,049.12/22,407.62
6. Step 6: Final answer
   x = 14,874.41