Finding the Fourth Proportional to 10,105.96, 15,161.16 and 3,086.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.96 : 15,161.16 = 3,086.56 : x
2. Step 2: Convert to fraction form
   10,105.96/15,161.16 = 3,086.56/x
3. Step 3: Cross multiply
   10,105.96x = 15,161.16 × 3,086.56
4. Step 4: Simplify right side
   10,105.96x = 46,795,830.01
5. Step 5: Solve for x
   x = 46,795,830.01/10,105.96
6. Step 6: Final answer
   x = 4,630.52