Finding the Fourth Proportional to 35,986.69, 49,661.72 and 20,072.17

Step by Step Solution

1. Step 1: Write the proportion equation
   35,986.69 : 49,661.72 = 20,072.17 : x
2. Step 2: Convert to fraction form
   35,986.69/49,661.72 = 20,072.17/x
3. Step 3: Cross multiply
   35,986.69x = 49,661.72 × 20,072.17
4. Step 4: Simplify right side
   35,986.69x = 996,818,486.33
5. Step 5: Solve for x
   x = 996,818,486.33/35,986.69
6. Step 6: Final answer
   x = 27,699.64