Finding the Fourth Proportional to 22,087.89, 33,142.47 and 10,995.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,087.89 : 33,142.47 = 10,995.55 : x
2. Step 2: Convert to fraction form
   22,087.89/33,142.47 = 10,995.55/x
3. Step 3: Cross multiply
   22,087.89x = 33,142.47 × 10,995.55
4. Step 4: Simplify right side
   22,087.89x = 364,419,686.01
5. Step 5: Solve for x
   x = 364,419,686.01/22,087.89
6. Step 6: Final answer
   x = 16,498.62