Finding the Fourth Proportional to 16,141.30, 22,274.48 and 8,971.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,141.30 : 22,274.48 = 8,971.18 : x
2. Step 2: Convert to fraction form
   16,141.30/22,274.48 = 8,971.18/x
3. Step 3: Cross multiply
   16,141.30x = 22,274.48 × 8,971.18
4. Step 4: Simplify right side
   16,141.30x = 199,828,268.94
5. Step 5: Solve for x
   x = 199,828,268.94/16,141.30
6. Step 6: Final answer
   x = 12,379.94