Finding the Fourth Proportional to 2,685.24, 4,027.32 and 836.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.24 : 4,027.32 = 836.06 : x
2. Step 2: Convert to fraction form
   2,685.24/4,027.32 = 836.06/x
3. Step 3: Cross multiply
   2,685.24x = 4,027.32 × 836.06
4. Step 4: Simplify right side
   2,685.24x = 3,367,061.02
5. Step 5: Solve for x
   x = 3,367,061.02/2,685.24
6. Step 6: Final answer
   x = 1,253.91