Finding the Fourth Proportional to 36,114.72, 49,838.69 and 19,981.20

Step by Step Solution

1. Step 1: Write the proportion equation
   36,114.72 : 49,838.69 = 19,981.20 : x
2. Step 2: Convert to fraction form
   36,114.72/49,838.69 = 19,981.20/x
3. Step 3: Cross multiply
   36,114.72x = 49,838.69 × 19,981.20
4. Step 4: Simplify right side
   36,114.72x = 995,836,732.72
5. Step 5: Solve for x
   x = 995,836,732.72/36,114.72
6. Step 6: Final answer
   x = 27,574.26