Finding the Fourth Proportional to 12,229.50, 16,892.52 and 10,113.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,229.50 : 16,892.52 = 10,113.56 : x
2. Step 2: Convert to fraction form
   12,229.50/16,892.52 = 10,113.56/x
3. Step 3: Cross multiply
   12,229.50x = 16,892.52 × 10,113.56
4. Step 4: Simplify right side
   12,229.50x = 170,843,514.57
5. Step 5: Solve for x
   x = 170,843,514.57/12,229.50
6. Step 6: Final answer
   x = 13,969.79