Finding the Fourth Proportional to 2,674.71, 4,035.78 and 2,674.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,674.71 : 4,035.78 = 2,674.71 : x
2. Step 2: Convert to fraction form
   2,674.71/4,035.78 = 2,674.71/x
3. Step 3: Cross multiply
   2,674.71x = 4,035.78 × 2,674.71
4. Step 4: Simplify right side
   2,674.71x = 10,794,541.12
5. Step 5: Solve for x
   x = 10,794,541.12/2,674.71
6. Step 6: Final answer
   x = 4,035.78