Finding the Fourth Proportional to 2,477.86, 3,717.36 and 834.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.86 : 3,717.36 = 834.37 : x
2. Step 2: Convert to fraction form
   2,477.86/3,717.36 = 834.37/x
3. Step 3: Cross multiply
   2,477.86x = 3,717.36 × 834.37
4. Step 4: Simplify right side
   2,477.86x = 3,101,647.50
5. Step 5: Solve for x
   x = 3,101,647.50/2,477.86
6. Step 6: Final answer
   x = 1,251.74