Finding the Fourth Proportional to 2,477.48, 3,716.78 and 833.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.48 : 3,716.78 = 833.98 : x
2. Step 2: Convert to fraction form
   2,477.48/3,716.78 = 833.98/x
3. Step 3: Cross multiply
   2,477.48x = 3,716.78 × 833.98
4. Step 4: Simplify right side
   2,477.48x = 3,099,706.72
5. Step 5: Solve for x
   x = 3,099,706.72/2,477.48
6. Step 6: Final answer
   x = 1,251.16