Finding the Fourth Proportional to 2,662.97, 3,992.74 and 1,276.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.97 : 3,992.74 = 1,276.27 : x
2. Step 2: Convert to fraction form
   2,662.97/3,992.74 = 1,276.27/x
3. Step 3: Cross multiply
   2,662.97x = 3,992.74 × 1,276.27
4. Step 4: Simplify right side
   2,662.97x = 5,095,814.28
5. Step 5: Solve for x
   x = 5,095,814.28/2,662.97
6. Step 6: Final answer
   x = 1,913.58