Finding the Fourth Proportional to 2,081.56, 3,123.64 and 848.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.56 : 3,123.64 = 848.97 : x
2. Step 2: Convert to fraction form
   2,081.56/3,123.64 = 848.97/x
3. Step 3: Cross multiply
   2,081.56x = 3,123.64 × 848.97
4. Step 4: Simplify right side
   2,081.56x = 2,651,890.32
5. Step 5: Solve for x
   x = 2,651,890.32/2,081.56
6. Step 6: Final answer
   x = 1,273.99