Finding the Fourth Proportional to 3,433.86, 5,162.22 and 2,789.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,433.86 : 5,162.22 = 2,789.10 : x
2. Step 2: Convert to fraction form
   3,433.86/5,162.22 = 2,789.10/x
3. Step 3: Cross multiply
   3,433.86x = 5,162.22 × 2,789.10
4. Step 4: Simplify right side
   3,433.86x = 14,397,947.80
5. Step 5: Solve for x
   x = 14,397,947.80/3,433.86
6. Step 6: Final answer
   x = 4,192.93