Finding the Fourth Proportional to 2,684.61, 4,026.89 and 835.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,684.61 : 4,026.89 = 835.71 : x
2. Step 2: Convert to fraction form
   2,684.61/4,026.89 = 835.71/x
3. Step 3: Cross multiply
   2,684.61x = 4,026.89 × 835.71
4. Step 4: Simplify right side
   2,684.61x = 3,365,308.06
5. Step 5: Solve for x
   x = 3,365,308.06/2,684.61
6. Step 6: Final answer
   x = 1,253.56