Finding the Fourth Proportional to 10,390.10, 15,591.97 and 3,816.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,390.10 : 15,591.97 = 3,816.34 : x
2. Step 2: Convert to fraction form
   10,390.10/15,591.97 = 3,816.34/x
3. Step 3: Cross multiply
   10,390.10x = 15,591.97 × 3,816.34
4. Step 4: Simplify right side
   10,390.10x = 59,504,258.79
5. Step 5: Solve for x
   x = 59,504,258.79/10,390.10
6. Step 6: Final answer
   x = 5,727.02