Finding the Fourth Proportional to 22,089.88, 33,142.02 and 10,404.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,089.88 : 33,142.02 = 10,404.28 : x
2. Step 2: Convert to fraction form
   22,089.88/33,142.02 = 10,404.28/x
3. Step 3: Cross multiply
   22,089.88x = 33,142.02 × 10,404.28
4. Step 4: Simplify right side
   22,089.88x = 344,818,855.85
5. Step 5: Solve for x
   x = 344,818,855.85/22,089.88
6. Step 6: Final answer
   x = 15,609.81