Finding the Fourth Proportional to 6,074.79, 8,383.17 and 3,423.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,074.79 : 8,383.17 = 3,423.05 : x
2. Step 2: Convert to fraction form
   6,074.79/8,383.17 = 3,423.05/x
3. Step 3: Cross multiply
   6,074.79x = 8,383.17 × 3,423.05
4. Step 4: Simplify right side
   6,074.79x = 28,696,039.58
5. Step 5: Solve for x
   x = 28,696,039.58/6,074.79
6. Step 6: Final answer
   x = 4,723.79