Finding the Fourth Proportional to 2,834.60, 3,908.82 and 2,665.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,834.60 : 3,908.82 = 2,665.16 : x
2. Step 2: Convert to fraction form
   2,834.60/3,908.82 = 2,665.16/x
3. Step 3: Cross multiply
   2,834.60x = 3,908.82 × 2,665.16
4. Step 4: Simplify right side
   2,834.60x = 10,417,630.71
5. Step 5: Solve for x
   x = 10,417,630.71/2,834.60
6. Step 6: Final answer
   x = 3,675.17