Finding the Fourth Proportional to 16,141.68, 22,275.07 and 8,971.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,141.68 : 22,275.07 = 8,971.42 : x
2. Step 2: Convert to fraction form
   16,141.68/22,275.07 = 8,971.42/x
3. Step 3: Cross multiply
   16,141.68x = 22,275.07 × 8,971.42
4. Step 4: Simplify right side
   16,141.68x = 199,839,008.50
5. Step 5: Solve for x
   x = 199,839,008.50/16,141.68
6. Step 6: Final answer
   x = 12,380.31