Finding the Fourth Proportional to 2,831.98, 4,228.89 and 2,313.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,831.98 : 4,228.89 = 2,313.01 : x
2. Step 2: Convert to fraction form
   2,831.98/4,228.89 = 2,313.01/x
3. Step 3: Cross multiply
   2,831.98x = 4,228.89 × 2,313.01
4. Step 4: Simplify right side
   2,831.98x = 9,781,460.07
5. Step 5: Solve for x
   x = 9,781,460.07/2,831.98
6. Step 6: Final answer
   x = 3,453.93