Finding the Fourth Proportional to 35,818.15, 49,416.41 and 20,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,818.15 : 49,416.41 = 20,493.50 : x
2. Step 2: Convert to fraction form
   35,818.15/49,416.41 = 20,493.50/x
3. Step 3: Cross multiply
   35,818.15x = 49,416.41 × 20,493.50
4. Step 4: Simplify right side
   35,818.15x = 1,012,715,198.34
5. Step 5: Solve for x
   x = 1,012,715,198.34/35,818.15
6. Step 6: Final answer
   x = 28,273.80