Finding the Fourth Proportional to 3,686.45, 5,522.27 and 1,831.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.45 : 5,522.27 = 1,831.95 : x
2. Step 2: Convert to fraction form
   3,686.45/5,522.27 = 1,831.95/x
3. Step 3: Cross multiply
   3,686.45x = 5,522.27 × 1,831.95
4. Step 4: Simplify right side
   3,686.45x = 10,116,513.37
5. Step 5: Solve for x
   x = 10,116,513.37/3,686.45
6. Step 6: Final answer
   x = 2,744.24