Finding the Fourth Proportional to 22,005.91, 30,369.78 and 12,574.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,005.91 : 30,369.78 = 12,574.27 : x
2. Step 2: Convert to fraction form
   22,005.91/30,369.78 = 12,574.27/x
3. Step 3: Cross multiply
   22,005.91x = 30,369.78 × 12,574.27
4. Step 4: Simplify right side
   22,005.91x = 381,877,813.56
5. Step 5: Solve for x
   x = 381,877,813.56/22,005.91
6. Step 6: Final answer
   x = 17,353.42