Finding the Fourth Proportional to 6,103.22, 8,422.40 and 3,308.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,103.22 : 8,422.40 = 3,308.72 : x
2. Step 2: Convert to fraction form
   6,103.22/8,422.40 = 3,308.72/x
3. Step 3: Cross multiply
   6,103.22x = 8,422.40 × 3,308.72
4. Step 4: Simplify right side
   6,103.22x = 27,867,363.33
5. Step 5: Solve for x
   x = 27,867,363.33/6,103.22
6. Step 6: Final answer
   x = 4,566.01