Finding the Fourth Proportional to 2,081.56, 3,119.25 and 847.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.56 : 3,119.25 = 847.46 : x
2. Step 2: Convert to fraction form
   2,081.56/3,119.25 = 847.46/x
3. Step 3: Cross multiply
   2,081.56x = 3,119.25 × 847.46
4. Step 4: Simplify right side
   2,081.56x = 2,643,439.61
5. Step 5: Solve for x
   x = 2,643,439.61/2,081.56
6. Step 6: Final answer
   x = 1,269.93