Finding the Fourth Proportional to 6,103.60, 8,422.96 and 3,309.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,103.60 : 8,422.96 = 3,309.10 : x
2. Step 2: Convert to fraction form
   6,103.60/8,422.96 = 3,309.10/x
3. Step 3: Cross multiply
   6,103.60x = 8,422.96 × 3,309.10
4. Step 4: Simplify right side
   6,103.60x = 27,872,387.61
5. Step 5: Solve for x
   x = 27,872,387.61/6,103.60
6. Step 6: Final answer
   x = 4,566.55