Finding the Fourth Proportional to 22,411.29, 30,927.32 and 12,339.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,411.29 : 30,927.32 = 12,339.53 : x
2. Step 2: Convert to fraction form
   22,411.29/30,927.32 = 12,339.53/x
3. Step 3: Cross multiply
   22,411.29x = 30,927.32 × 12,339.53
4. Step 4: Simplify right side
   22,411.29x = 381,628,438.32
5. Step 5: Solve for x
   x = 381,628,438.32/22,411.29
6. Step 6: Final answer
   x = 17,028.40