Finding the Fourth Proportional to 10,150.05, 15,215.84 and 3,906.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,150.05 : 15,215.84 = 3,906.08 : x
2. Step 2: Convert to fraction form
   10,150.05/15,215.84 = 3,906.08/x
3. Step 3: Cross multiply
   10,150.05x = 15,215.84 × 3,906.08
4. Step 4: Simplify right side
   10,150.05x = 59,434,288.31
5. Step 5: Solve for x
   x = 59,434,288.31/10,150.05
6. Step 6: Final answer
   x = 5,855.57