Finding the Fourth Proportional to 2,826.23, 3,901.05 and 1,831.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.23 : 3,901.05 = 1,831.50 : x
2. Step 2: Convert to fraction form
   2,826.23/3,901.05 = 1,831.50/x
3. Step 3: Cross multiply
   2,826.23x = 3,901.05 × 1,831.50
4. Step 4: Simplify right side
   2,826.23x = 7,144,773.08
5. Step 5: Solve for x
   x = 7,144,773.08/2,826.23
6. Step 6: Final answer
   x = 2,528.03