Finding the Fourth Proportional to 22,410.96, 30,927.84 and 12,339.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,410.96 : 30,927.84 = 12,339.72 : x
2. Step 2: Convert to fraction form
   22,410.96/30,927.84 = 12,339.72/x
3. Step 3: Cross multiply
   22,410.96x = 30,927.84 × 12,339.72
4. Step 4: Simplify right side
   22,410.96x = 381,640,885.80
5. Step 5: Solve for x
   x = 381,640,885.80/22,410.96
6. Step 6: Final answer
   x = 17,029.21