Finding the Fourth Proportional to 2,588.99, 3,884.12 and 834.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588.99 : 3,884.12 = 834.15 : x
2. Step 2: Convert to fraction form
   2,588.99/3,884.12 = 834.15/x
3. Step 3: Cross multiply
   2,588.99x = 3,884.12 × 834.15
4. Step 4: Simplify right side
   2,588.99x = 3,239,940.78
5. Step 5: Solve for x
   x = 3,239,940.78/2,588.99
6. Step 6: Final answer
   x = 1,251.43