Finding the Fourth Proportional to 6,076.50, 8,385.63 and 3,423.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,076.50 : 8,385.63 = 3,423.78 : x
2. Step 2: Convert to fraction form
   6,076.50/8,385.63 = 3,423.78/x
3. Step 3: Cross multiply
   6,076.50x = 8,385.63 × 3,423.78
4. Step 4: Simplify right side
   6,076.50x = 28,710,552.28
5. Step 5: Solve for x
   x = 28,710,552.28/6,076.50
6. Step 6: Final answer
   x = 4,724.85