Finding the Fourth Proportional to 3,659.97, 5,050.72 and 1,981.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.97 : 5,050.72 = 1,981.35 : x
2. Step 2: Convert to fraction form
   3,659.97/5,050.72 = 1,981.35/x
3. Step 3: Cross multiply
   3,659.97x = 5,050.72 × 1,981.35
4. Step 4: Simplify right side
   3,659.97x = 10,007,244.07
5. Step 5: Solve for x
   x = 10,007,244.07/3,659.97
6. Step 6: Final answer
   x = 2,734.24