Finding the Fourth Proportional to 16,045.05, 22,142.90 and 8,971.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,045.05 : 22,142.90 = 8,971.48 : x
2. Step 2: Convert to fraction form
   16,045.05/22,142.90 = 8,971.48/x
3. Step 3: Cross multiply
   16,045.05x = 22,142.90 × 8,971.48
4. Step 4: Simplify right side
   16,045.05x = 198,654,634.60
5. Step 5: Solve for x
   x = 198,654,634.60/16,045.05
6. Step 6: Final answer
   x = 12,381.05