Finding the Fourth Proportional to 1,581.37, 2,370.69 and 850.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581.37 : 2,370.69 = 850.10 : x
2. Step 2: Convert to fraction form
   1,581.37/2,370.69 = 850.10/x
3. Step 3: Cross multiply
   1,581.37x = 2,370.69 × 850.10
4. Step 4: Simplify right side
   1,581.37x = 2,015,323.57
5. Step 5: Solve for x
   x = 2,015,323.57/1,581.37
6. Step 6: Final answer
   x = 1,274.42