Finding the Fourth Proportional to 22,876.78, 31,568.50 and 12,803.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,876.78 : 31,568.50 = 12,803.53 : x
2. Step 2: Convert to fraction form
   22,876.78/31,568.50 = 12,803.53/x
3. Step 3: Cross multiply
   22,876.78x = 31,568.50 × 12,803.53
4. Step 4: Simplify right side
   22,876.78x = 404,188,014.94
5. Step 5: Solve for x
   x = 404,188,014.94/22,876.78
6. Step 6: Final answer
   x = 17,668.05