Finding the Fourth Proportional to 2,309.82, 3,465.15 and 850.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.82 : 3,465.15 = 850.02 : x
2. Step 2: Convert to fraction form
   2,309.82/3,465.15 = 850.02/x
3. Step 3: Cross multiply
   2,309.82x = 3,465.15 × 850.02
4. Step 4: Simplify right side
   2,309.82x = 2,945,446.80
5. Step 5: Solve for x
   x = 2,945,446.80/2,309.82
6. Step 6: Final answer
   x = 1,275.18