Finding the Fourth Proportional to 3,339.72, 5,012.82 and 1,609.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,339.72 : 5,012.82 = 1,609.56 : x
2. Step 2: Convert to fraction form
   3,339.72/5,012.82 = 1,609.56/x
3. Step 3: Cross multiply
   3,339.72x = 5,012.82 × 1,609.56
4. Step 4: Simplify right side
   3,339.72x = 8,068,434.56
5. Step 5: Solve for x
   x = 8,068,434.56/3,339.72
6. Step 6: Final answer
   x = 2,415.90