Finding the Fourth Proportional to 35,971.98, 49,641.60 and 20,057.46

Step by Step Solution

1. Step 1: Write the proportion equation
   35,971.98 : 49,641.60 = 20,057.46 : x
2. Step 2: Convert to fraction form
   35,971.98/49,641.60 = 20,057.46/x
3. Step 3: Cross multiply
   35,971.98x = 49,641.60 × 20,057.46
4. Step 4: Simplify right side
   35,971.98x = 995,684,406.34
5. Step 5: Solve for x
   x = 995,684,406.34/35,971.98
6. Step 6: Final answer
   x = 27,679.44