Finding the Fourth Proportional to 22,081.89, 33,090.62 and 10,239.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,081.89 : 33,090.62 = 10,239.28 : x
2. Step 2: Convert to fraction form
   22,081.89/33,090.62 = 10,239.28/x
3. Step 3: Cross multiply
   22,081.89x = 33,090.62 × 10,239.28
4. Step 4: Simplify right side
   22,081.89x = 338,824,123.55
5. Step 5: Solve for x
   x = 338,824,123.55/22,081.89
6. Step 6: Final answer
   x = 15,343.98