Finding the Fourth Proportional to 3,816.18, 5,723.78 and 1,350.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,816.18 : 5,723.78 = 1,350.72 : x
2. Step 2: Convert to fraction form
   3,816.18/5,723.78 = 1,350.72/x
3. Step 3: Cross multiply
   3,816.18x = 5,723.78 × 1,350.72
4. Step 4: Simplify right side
   3,816.18x = 7,731,217.37
5. Step 5: Solve for x
   x = 7,731,217.37/3,816.18
6. Step 6: Final answer
   x = 2,025.90