Finding the Fourth Proportional to 3,660.17, 5,050.98 and 1,981.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660.17 : 5,050.98 = 1,981.53 : x
2. Step 2: Convert to fraction form
   3,660.17/5,050.98 = 1,981.53/x
3. Step 3: Cross multiply
   3,660.17x = 5,050.98 × 1,981.53
4. Step 4: Simplify right side
   3,660.17x = 10,008,668.40
5. Step 5: Solve for x
   x = 10,008,668.40/3,660.17
6. Step 6: Final answer
   x = 2,734.49