Finding the Fourth Proportional to 2,090.76, 3,139.48 and 1,831.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.76 : 3,139.48 = 1,831.96 : x
2. Step 2: Convert to fraction form
   2,090.76/3,139.48 = 1,831.96/x
3. Step 3: Cross multiply
   2,090.76x = 3,139.48 × 1,831.96
4. Step 4: Simplify right side
   2,090.76x = 5,751,401.78
5. Step 5: Solve for x
   x = 5,751,401.78/2,090.76
6. Step 6: Final answer
   x = 2,750.87