Finding the Fourth Proportional to 6,174.52, 8,520.82 and 3,380

Step by Step Solution

1. Step 1: Write the proportion equation
   6,174.52 : 8,520.82 = 3,380 : x
2. Step 2: Convert to fraction form
   6,174.52/8,520.82 = 3,380/x
3. Step 3: Cross multiply
   6,174.52x = 8,520.82 × 3,380
4. Step 4: Simplify right side
   6,174.52x = 28,800,371.60
5. Step 5: Solve for x
   x = 28,800,371.60/6,174.52
6. Step 6: Final answer
   x = 4,664.39