Finding the Fourth Proportional to 6,072.85, 8,380.61 and 3,383.99

Step by Step Solution

1. Step 1: Write the proportion equation
   6,072.85 : 8,380.61 = 3,383.99 : x
2. Step 2: Convert to fraction form
   6,072.85/8,380.61 = 3,383.99/x
3. Step 3: Cross multiply
   6,072.85x = 8,380.61 × 3,383.99
4. Step 4: Simplify right side
   6,072.85x = 28,359,904.76
5. Step 5: Solve for x
   x = 28,359,904.76/6,072.85
6. Step 6: Final answer
   x = 4,669.95