Finding the Fourth Proportional to 2,478.96, 3,715.83 and 834.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.96 : 3,715.83 = 834.93 : x
2. Step 2: Convert to fraction form
   2,478.96/3,715.83 = 834.93/x
3. Step 3: Cross multiply
   2,478.96x = 3,715.83 × 834.93
4. Step 4: Simplify right side
   2,478.96x = 3,102,457.94
5. Step 5: Solve for x
   x = 3,102,457.94/2,478.96
6. Step 6: Final answer
   x = 1,251.52