Finding the Fourth Proportional to 3,981.97, 5,933.44 and 3,545.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.97 : 5,933.44 = 3,545.79 : x
2. Step 2: Convert to fraction form
   3,981.97/5,933.44 = 3,545.79/x
3. Step 3: Cross multiply
   3,981.97x = 5,933.44 × 3,545.79
4. Step 4: Simplify right side
   3,981.97x = 21,038,732.22
5. Step 5: Solve for x
   x = 21,038,732.22/3,981.97
6. Step 6: Final answer
   x = 5,283.50