Finding the Fourth Proportional to 2,693.82, 3,707.37 and 2,279.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,693.82 : 3,707.37 = 2,279.61 : x
2. Step 2: Convert to fraction form
   2,693.82/3,707.37 = 2,279.61/x
3. Step 3: Cross multiply
   2,693.82x = 3,707.37 × 2,279.61
4. Step 4: Simplify right side
   2,693.82x = 8,451,357.73
5. Step 5: Solve for x
   x = 8,451,357.73/2,693.82
6. Step 6: Final answer
   x = 3,137.31