Finding the Fourth Proportional to 6,100.88, 8,419.20 and 3,306.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,100.88 : 8,419.20 = 3,306.40 : x
2. Step 2: Convert to fraction form
   6,100.88/8,419.20 = 3,306.40/x
3. Step 3: Cross multiply
   6,100.88x = 8,419.20 × 3,306.40
4. Step 4: Simplify right side
   6,100.88x = 27,837,242.88
5. Step 5: Solve for x
   x = 27,837,242.88/6,100.88
6. Step 6: Final answer
   x = 4,562.82