Finding the Fourth Proportional to 10,686.35, 14,747.13 and 5,906.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,686.35 : 14,747.13 = 5,906.54 : x
2. Step 2: Convert to fraction form
   10,686.35/14,747.13 = 5,906.54/x
3. Step 3: Cross multiply
   10,686.35x = 14,747.13 × 5,906.54
4. Step 4: Simplify right side
   10,686.35x = 87,104,550.10
5. Step 5: Solve for x
   x = 87,104,550.10/10,686.35
6. Step 6: Final answer
   x = 8,151.01