Finding the Fourth Proportional to 3,807.93, 5,255.82 and 2,479.33

Step by Step Solution

1. Step 1: Write the proportion equation
   3,807.93 : 5,255.82 = 2,479.33 : x
2. Step 2: Convert to fraction form
   3,807.93/5,255.82 = 2,479.33/x
3. Step 3: Cross multiply
   3,807.93x = 5,255.82 × 2,479.33
4. Step 4: Simplify right side
   3,807.93x = 13,030,912.20
5. Step 5: Solve for x
   x = 13,030,912.20/3,807.93
6. Step 6: Final answer
   x = 3,422.05