Finding the Fourth Proportional to 22,876.68, 31,569.57 and 12,804.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,876.68 : 31,569.57 = 12,804.96 : x
2. Step 2: Convert to fraction form
   22,876.68/31,569.57 = 12,804.96/x
3. Step 3: Cross multiply
   22,876.68x = 31,569.57 × 12,804.96
4. Step 4: Simplify right side
   22,876.68x = 404,247,081.07
5. Step 5: Solve for x
   x = 404,247,081.07/22,876.68
6. Step 6: Final answer
   x = 17,670.71