Finding the Fourth Proportional to 22,372.10, 30,874.29 and 12,301.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,372.10 : 30,874.29 = 12,301.31 : x
2. Step 2: Convert to fraction form
   22,372.10/30,874.29 = 12,301.31/x
3. Step 3: Cross multiply
   22,372.10x = 30,874.29 × 12,301.31
4. Step 4: Simplify right side
   22,372.10x = 379,794,060.89
5. Step 5: Solve for x
   x = 379,794,060.89/22,372.10
6. Step 6: Final answer
   x = 16,976.24