Finding the Fourth Proportional to 35,996.15, 49,674.78 and 20,081.61

Step by Step Solution

1. Step 1: Write the proportion equation
   35,996.15 : 49,674.78 = 20,081.61 : x
2. Step 2: Convert to fraction form
   35,996.15/49,674.78 = 20,081.61/x
3. Step 3: Cross multiply
   35,996.15x = 49,674.78 × 20,081.61
4. Step 4: Simplify right side
   35,996.15x = 997,549,558.80
5. Step 5: Solve for x
   x = 997,549,558.80/35,996.15
6. Step 6: Final answer
   x = 27,712.68