Finding the Fourth Proportional to 22,031.88, 33,031.50 and 10,338.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,031.88 : 33,031.50 = 10,338.12 : x
2. Step 2: Convert to fraction form
   22,031.88/33,031.50 = 10,338.12/x
3. Step 3: Cross multiply
   22,031.88x = 33,031.50 × 10,338.12
4. Step 4: Simplify right side
   22,031.88x = 341,483,610.78
5. Step 5: Solve for x
   x = 341,483,610.78/22,031.88
6. Step 6: Final answer
   x = 15,499.52