Finding the Fourth Proportional to 3,392.89, 4,682.61 and 3,245.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,392.89 : 4,682.61 = 3,245.27 : x
2. Step 2: Convert to fraction form
   3,392.89/4,682.61 = 3,245.27/x
3. Step 3: Cross multiply
   3,392.89x = 4,682.61 × 3,245.27
4. Step 4: Simplify right side
   3,392.89x = 15,196,310.34
5. Step 5: Solve for x
   x = 15,196,310.34/3,392.89
6. Step 6: Final answer
   x = 4,478.87