Finding the Fourth Proportional to 6,076.38, 8,385.36 and 3,423.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,076.38 : 8,385.36 = 3,423.78 : x
2. Step 2: Convert to fraction form
   6,076.38/8,385.36 = 3,423.78/x
3. Step 3: Cross multiply
   6,076.38x = 8,385.36 × 3,423.78
4. Step 4: Simplify right side
   6,076.38x = 28,709,627.86
5. Step 5: Solve for x
   x = 28,709,627.86/6,076.38
6. Step 6: Final answer
   x = 4,724.79