Finding the Fourth Proportional to 6,100.89, 8,419.20 and 3,306.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,100.89 : 8,419.20 = 3,306.39 : x
2. Step 2: Convert to fraction form
   6,100.89/8,419.20 = 3,306.39/x
3. Step 3: Cross multiply
   6,100.89x = 8,419.20 × 3,306.39
4. Step 4: Simplify right side
   6,100.89x = 27,837,158.69
5. Step 5: Solve for x
   x = 27,837,158.69/6,100.89
6. Step 6: Final answer
   x = 4,562.80