Finding the Fourth Proportional to 2,707.82, 3,728.46 and 2,308.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,707.82 : 3,728.46 = 2,308.59 : x
2. Step 2: Convert to fraction form
   2,707.82/3,728.46 = 2,308.59/x
3. Step 3: Cross multiply
   2,707.82x = 3,728.46 × 2,308.59
4. Step 4: Simplify right side
   2,707.82x = 8,607,494.13
5. Step 5: Solve for x
   x = 8,607,494.13/2,707.82
6. Step 6: Final answer
   x = 3,178.76