Finding the Fourth Proportional to 14,438.38, 19,924.71 and 8,064.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,438.38 : 19,924.71 = 8,064.56 : x
2. Step 2: Convert to fraction form
   14,438.38/19,924.71 = 8,064.56/x
3. Step 3: Cross multiply
   14,438.38x = 19,924.71 × 8,064.56
4. Step 4: Simplify right side
   14,438.38x = 160,684,061.53
5. Step 5: Solve for x
   x = 160,684,061.53/14,438.38
6. Step 6: Final answer
   x = 11,128.96