Finding the Fourth Proportional to 6,325.83, 9,485.40 and 3,162.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,325.83 : 9,485.40 = 3,162.78 : x
2. Step 2: Convert to fraction form
   6,325.83/9,485.40 = 3,162.78/x
3. Step 3: Cross multiply
   6,325.83x = 9,485.40 × 3,162.78
4. Step 4: Simplify right side
   6,325.83x = 30,000,233.41
5. Step 5: Solve for x
   x = 30,000,233.41/6,325.83
6. Step 6: Final answer
   x = 4,742.50