Finding the Fourth Proportional to 2,077.34, 3,100.76 and 1,831.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.34 : 3,100.76 = 1,831.28 : x
2. Step 2: Convert to fraction form
   2,077.34/3,100.76 = 1,831.28/x
3. Step 3: Cross multiply
   2,077.34x = 3,100.76 × 1,831.28
4. Step 4: Simplify right side
   2,077.34x = 5,678,359.77
5. Step 5: Solve for x
   x = 5,678,359.77/2,077.34
6. Step 6: Final answer
   x = 2,733.48