Finding the Fourth Proportional to 16,143.91, 22,276.29 and 8,973.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,143.91 : 22,276.29 = 8,973.34 : x
2. Step 2: Convert to fraction form
   16,143.91/22,276.29 = 8,973.34/x
3. Step 3: Cross multiply
   16,143.91x = 22,276.29 × 8,973.34
4. Step 4: Simplify right side
   16,143.91x = 199,892,724.11
5. Step 5: Solve for x
   x = 199,892,724.11/16,143.91
6. Step 6: Final answer
   x = 12,381.93