Finding the Fourth Proportional to 2,685.27, 4,027.86 and 836.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.27 : 4,027.86 = 836.37 : x
2. Step 2: Convert to fraction form
   2,685.27/4,027.86 = 836.37/x
3. Step 3: Cross multiply
   2,685.27x = 4,027.86 × 836.37
4. Step 4: Simplify right side
   2,685.27x = 3,368,781.27
5. Step 5: Solve for x
   x = 3,368,781.27/2,685.27
6. Step 6: Final answer
   x = 1,254.54