Finding the Fourth Proportional to 22,102.22, 30,501.71 and 12,031.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,102.22 : 30,501.71 = 12,031.31 : x
2. Step 2: Convert to fraction form
   22,102.22/30,501.71 = 12,031.31/x
3. Step 3: Cross multiply
   22,102.22x = 30,501.71 × 12,031.31
4. Step 4: Simplify right side
   22,102.22x = 366,975,315.88
5. Step 5: Solve for x
   x = 366,975,315.88/22,102.22
6. Step 6: Final answer
   x = 16,603.55