Finding the Fourth Proportional to 16,117.78, 22,241.96 and 8,948.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,117.78 : 22,241.96 = 8,948.01 : x
2. Step 2: Convert to fraction form
   16,117.78/22,241.96 = 8,948.01/x
3. Step 3: Cross multiply
   16,117.78x = 22,241.96 × 8,948.01
4. Step 4: Simplify right side
   16,117.78x = 199,021,124.55
5. Step 5: Solve for x
   x = 199,021,124.55/16,117.78
6. Step 6: Final answer
   x = 12,347.92