Finding the Fourth Proportional to 2,082.07, 3,122.33 and 848.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,082.07 : 3,122.33 = 848.81 : x
2. Step 2: Convert to fraction form
   2,082.07/3,122.33 = 848.81/x
3. Step 3: Cross multiply
   2,082.07x = 3,122.33 × 848.81
4. Step 4: Simplify right side
   2,082.07x = 2,650,274.86
5. Step 5: Solve for x
   x = 2,650,274.86/2,082.07
6. Step 6: Final answer
   x = 1,272.91