Finding the Fourth Proportional to 22,411.48, 30,927.59 and 12,339.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,411.48 : 30,927.59 = 12,339.71 : x
2. Step 2: Convert to fraction form
   22,411.48/30,927.59 = 12,339.71/x
3. Step 3: Cross multiply
   22,411.48x = 30,927.59 × 12,339.71
4. Step 4: Simplify right side
   22,411.48x = 381,637,429.90
5. Step 5: Solve for x
   x = 381,637,429.90/22,411.48
6. Step 6: Final answer
   x = 17,028.66