Finding the Fourth Proportional to 22,876.86, 31,568.31 and 12,804.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,876.86 : 31,568.31 = 12,804.54 : x
2. Step 2: Convert to fraction form
   22,876.86/31,568.31 = 12,804.54/x
3. Step 3: Cross multiply
   22,876.86x = 31,568.31 × 12,804.54
4. Step 4: Simplify right side
   22,876.86x = 404,217,688.13
5. Step 5: Solve for x
   x = 404,217,688.13/22,876.86
6. Step 6: Final answer
   x = 17,669.28