Finding the Fourth Proportional to 2,478.24, 3,717.34 and 835.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.24 : 3,717.34 = 835.93 : x
2. Step 2: Convert to fraction form
   2,478.24/3,717.34 = 835.93/x
3. Step 3: Cross multiply
   2,478.24x = 3,717.34 × 835.93
4. Step 4: Simplify right side
   2,478.24x = 3,107,436.03
5. Step 5: Solve for x
   x = 3,107,436.03/2,478.24
6. Step 6: Final answer
   x = 1,253.89