Finding the Fourth Proportional to 2,081.59, 3,121.63 and 848.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.59 : 3,121.63 = 848.34 : x
2. Step 2: Convert to fraction form
   2,081.59/3,121.63 = 848.34/x
3. Step 3: Cross multiply
   2,081.59x = 3,121.63 × 848.34
4. Step 4: Simplify right side
   2,081.59x = 2,648,201.47
5. Step 5: Solve for x
   x = 2,648,201.47/2,081.59
6. Step 6: Final answer
   x = 1,272.20