Finding the Fourth Proportional to 22,665.29, 34,018.73 and 12,147.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,665.29 : 34,018.73 = 12,147.19 : x
2. Step 2: Convert to fraction form
   22,665.29/34,018.73 = 12,147.19/x
3. Step 3: Cross multiply
   22,665.29x = 34,018.73 × 12,147.19
4. Step 4: Simplify right side
   22,665.29x = 413,231,963.77
5. Step 5: Solve for x
   x = 413,231,963.77/22,665.29
6. Step 6: Final answer
   x = 18,231.93