Finding the Fourth Proportional to 10,686.43, 16,029.47 and 4,114.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,686.43 : 16,029.47 = 4,114.04 : x
2. Step 2: Convert to fraction form
   10,686.43/16,029.47 = 4,114.04/x
3. Step 3: Cross multiply
   10,686.43x = 16,029.47 × 4,114.04
4. Step 4: Simplify right side
   10,686.43x = 65,945,880.76
5. Step 5: Solve for x
   x = 65,945,880.76/10,686.43
6. Step 6: Final answer
   x = 6,170.99