Finding the Fourth Proportional to 14,361.78, 19,820.17 and 8,074.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,361.78 : 19,820.17 = 8,074.56 : x
2. Step 2: Convert to fraction form
   14,361.78/19,820.17 = 8,074.56/x
3. Step 3: Cross multiply
   14,361.78x = 19,820.17 × 8,074.56
4. Step 4: Simplify right side
   14,361.78x = 160,039,151.88
5. Step 5: Solve for x
   x = 160,039,151.88/14,361.78
6. Step 6: Final answer
   x = 11,143.41