Finding the Fourth Proportional to 14,105.96, 19,465.74 and 8,137.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.96 : 19,465.74 = 8,137.47 : x
2. Step 2: Convert to fraction form
   14,105.96/19,465.74 = 8,137.47/x
3. Step 3: Cross multiply
   14,105.96x = 19,465.74 × 8,137.47
4. Step 4: Simplify right side
   14,105.96x = 158,401,875.28
5. Step 5: Solve for x
   x = 158,401,875.28/14,105.96
6. Step 6: Final answer
   x = 11,229.43