Finding the Fourth Proportional to 14,451.94, 19,943.69 and 8,164.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,451.94 : 19,943.69 = 8,164.31 : x
2. Step 2: Convert to fraction form
   14,451.94/19,943.69 = 8,164.31/x
3. Step 3: Cross multiply
   14,451.94x = 19,943.69 × 8,164.31
4. Step 4: Simplify right side
   14,451.94x = 162,826,467.70
5. Step 5: Solve for x
   x = 162,826,467.70/14,451.94
6. Step 6: Final answer
   x = 11,266.76