Finding the Fourth Proportional to 3,911.83, 5,839.28 and 3,622.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,911.83 : 5,839.28 = 3,622.73 : x
2. Step 2: Convert to fraction form
   3,911.83/5,839.28 = 3,622.73/x
3. Step 3: Cross multiply
   3,911.83x = 5,839.28 × 3,622.73
4. Step 4: Simplify right side
   3,911.83x = 21,154,162.50
5. Step 5: Solve for x
   x = 21,154,162.50/3,911.83
6. Step 6: Final answer
   x = 5,407.75