Finding the Fourth Proportional to 22,233.78, 30,630.67 and 15,507.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,233.78 : 30,630.67 = 15,507.41 : x
2. Step 2: Convert to fraction form
   22,233.78/30,630.67 = 15,507.41/x
3. Step 3: Cross multiply
   22,233.78x = 30,630.67 × 15,507.41
4. Step 4: Simplify right side
   22,233.78x = 475,002,166.34
5. Step 5: Solve for x
   x = 475,002,166.34/22,233.78
6. Step 6: Final answer
   x = 21,363.99