Finding the Fourth Proportional to 2,069.75, 3,104.60 and 837.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,069.75 : 3,104.60 = 837.15 : x
2. Step 2: Convert to fraction form
   2,069.75/3,104.60 = 837.15/x
3. Step 3: Cross multiply
   2,069.75x = 3,104.60 × 837.15
4. Step 4: Simplify right side
   2,069.75x = 2,599,015.89
5. Step 5: Solve for x
   x = 2,599,015.89/2,069.75
6. Step 6: Final answer
   x = 1,255.71