Finding the Fourth Proportional to 6,105.57, 8,425.53 and 3,380.01

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.57 : 8,425.53 = 3,380.01 : x
2. Step 2: Convert to fraction form
   6,105.57/8,425.53 = 3,380.01/x
3. Step 3: Cross multiply
   6,105.57x = 8,425.53 × 3,380.01
4. Step 4: Simplify right side
   6,105.57x = 28,478,375.66
5. Step 5: Solve for x
   x = 28,478,375.66/6,105.57
6. Step 6: Final answer
   x = 4,664.33