Finding the Fourth Proportional to 35,764.35, 49,363.77 and 20,665.79

Step by Step Solution

1. Step 1: Write the proportion equation
   35,764.35 : 49,363.77 = 20,665.79 : x
2. Step 2: Convert to fraction form
   35,764.35/49,363.77 = 20,665.79/x
3. Step 3: Cross multiply
   35,764.35x = 49,363.77 × 20,665.79
4. Step 4: Simplify right side
   35,764.35x = 1,020,141,057.61
5. Step 5: Solve for x
   x = 1,020,141,057.61/35,764.35
6. Step 6: Final answer
   x = 28,523.96