Finding the Fourth Proportional to 6,212.55, 8,573.46 and 3,380.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,212.55 : 8,573.46 = 3,380.10 : x
2. Step 2: Convert to fraction form
   6,212.55/8,573.46 = 3,380.10/x
3. Step 3: Cross multiply
   6,212.55x = 8,573.46 × 3,380.10
4. Step 4: Simplify right side
   6,212.55x = 28,979,152.15
5. Step 5: Solve for x
   x = 28,979,152.15/6,212.55
6. Step 6: Final answer
   x = 4,664.61