Finding the Fourth Proportional to 12,874.73, 17,761.41 and 8,397.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,874.73 : 17,761.41 = 8,397.45 : x
2. Step 2: Convert to fraction form
   12,874.73/17,761.41 = 8,397.45/x
3. Step 3: Cross multiply
   12,874.73x = 17,761.41 × 8,397.45
4. Step 4: Simplify right side
   12,874.73x = 149,150,552.40
5. Step 5: Solve for x
   x = 149,150,552.40/12,874.73
6. Step 6: Final answer
   x = 11,584.76