Finding the Fourth Proportional to 3,380.72, 5,073.20 and 3,352.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,380.72 : 5,073.20 = 3,352.86 : x
2. Step 2: Convert to fraction form
   3,380.72/5,073.20 = 3,352.86/x
3. Step 3: Cross multiply
   3,380.72x = 5,073.20 × 3,352.86
4. Step 4: Simplify right side
   3,380.72x = 17,009,729.35
5. Step 5: Solve for x
   x = 17,009,729.35/3,380.72
6. Step 6: Final answer
   x = 5,031.39