Finding the Fourth Proportional to 22,410.64, 30,927.42 and 12,339.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,410.64 : 30,927.42 = 12,339.82 : x
2. Step 2: Convert to fraction form
   22,410.64/30,927.42 = 12,339.82/x
3. Step 3: Cross multiply
   22,410.64x = 30,927.42 × 12,339.82
4. Step 4: Simplify right side
   22,410.64x = 381,638,795.86
5. Step 5: Solve for x
   x = 381,638,795.86/22,410.64
6. Step 6: Final answer
   x = 17,029.36