Finding the Fourth Proportional to 3,892.94, 5,831.28 and 3,782.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.94 : 5,831.28 = 3,782.18 : x
2. Step 2: Convert to fraction form
   3,892.94/5,831.28 = 3,782.18/x
3. Step 3: Cross multiply
   3,892.94x = 5,831.28 × 3,782.18
4. Step 4: Simplify right side
   3,892.94x = 22,054,950.59
5. Step 5: Solve for x
   x = 22,054,950.59/3,892.94
6. Step 6: Final answer
   x = 5,665.37