Finding the Fourth Proportional to 22,372.16, 30,872.79 and 12,300.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,372.16 : 30,872.79 = 12,300.52 : x
2. Step 2: Convert to fraction form
   22,372.16/30,872.79 = 12,300.52/x
3. Step 3: Cross multiply
   22,372.16x = 30,872.79 × 12,300.52
4. Step 4: Simplify right side
   22,372.16x = 379,751,309.35
5. Step 5: Solve for x
   x = 379,751,309.35/22,372.16
6. Step 6: Final answer
   x = 16,974.28