Finding the Fourth Proportional to 6,785.10, 10,162.53 and 3,861.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,785.10 : 10,162.53 = 3,861.54 : x
2. Step 2: Convert to fraction form
   6,785.10/10,162.53 = 3,861.54/x
3. Step 3: Cross multiply
   6,785.10x = 10,162.53 × 3,861.54
4. Step 4: Simplify right side
   6,785.10x = 39,243,016.10
5. Step 5: Solve for x
   x = 39,243,016.10/6,785.10
6. Step 6: Final answer
   x = 5,783.70