Finding the Fourth Proportional to 6,867.86, 10,303.34 and 2,485.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,867.86 : 10,303.34 = 2,485.31 : x
2. Step 2: Convert to fraction form
   6,867.86/10,303.34 = 2,485.31/x
3. Step 3: Cross multiply
   6,867.86x = 10,303.34 × 2,485.31
4. Step 4: Simplify right side
   6,867.86x = 25,606,993.94
5. Step 5: Solve for x
   x = 25,606,993.94/6,867.86
6. Step 6: Final answer
   x = 3,728.53