Finding the Fourth Proportional to 2,477.90, 3,715.83 and 834.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477.90 : 3,715.83 = 834.58 : x
2. Step 2: Convert to fraction form
   2,477.90/3,715.83 = 834.58/x
3. Step 3: Cross multiply
   2,477.90x = 3,715.83 × 834.58
4. Step 4: Simplify right side
   2,477.90x = 3,101,162.05
5. Step 5: Solve for x
   x = 3,101,162.05/2,477.90
6. Step 6: Final answer
   x = 1,251.53