Finding the Fourth Proportional to 35,986.72, 49,662.84 and 20,071.84

Step by Step Solution

1. Step 1: Write the proportion equation
   35,986.72 : 49,662.84 = 20,071.84 : x
2. Step 2: Convert to fraction form
   35,986.72/49,662.84 = 20,071.84/x
3. Step 3: Cross multiply
   35,986.72x = 49,662.84 × 20,071.84
4. Step 4: Simplify right side
   35,986.72x = 996,824,578.43
5. Step 5: Solve for x
   x = 996,824,578.43/35,986.72
6. Step 6: Final answer
   x = 27,699.79