Finding the Fourth Proportional to 35,936.02, 49,591.72 and 20,021.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,936.02 : 49,591.72 = 20,021.50 : x
2. Step 2: Convert to fraction form
   35,936.02/49,591.72 = 20,021.50/x
3. Step 3: Cross multiply
   35,936.02x = 49,591.72 × 20,021.50
4. Step 4: Simplify right side
   35,936.02x = 992,900,621.98
5. Step 5: Solve for x
   x = 992,900,621.98/35,936.02
6. Step 6: Final answer
   x = 27,629.68