Finding the Fourth Proportional to 2,564.86, 3,847.38 and 833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564.86 : 3,847.38 = 833.50 : x
2. Step 2: Convert to fraction form
   2,564.86/3,847.38 = 833.50/x
3. Step 3: Cross multiply
   2,564.86x = 3,847.38 × 833.50
4. Step 4: Simplify right side
   2,564.86x = 3,206,791.23
5. Step 5: Solve for x
   x = 3,206,791.23/2,564.86
6. Step 6: Final answer
   x = 1,250.28