Finding the Fourth Proportional to 35,973.32, 49,644.86 and 20,057.85

Step by Step Solution

1. Step 1: Write the proportion equation
   35,973.32 : 49,644.86 = 20,057.85 : x
2. Step 2: Convert to fraction form
   35,973.32/49,644.86 = 20,057.85/x
3. Step 3: Cross multiply
   35,973.32x = 49,644.86 × 20,057.85
4. Step 4: Simplify right side
   35,973.32x = 995,769,054.86
5. Step 5: Solve for x
   x = 995,769,054.86/35,973.32
6. Step 6: Final answer
   x = 27,680.77