Finding the Fourth Proportional to 35,608.42, 49,144.28 and 20,501.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,608.42 : 49,144.28 = 20,501.72 : x
2. Step 2: Convert to fraction form
   35,608.42/49,144.28 = 20,501.72/x
3. Step 3: Cross multiply
   35,608.42x = 49,144.28 × 20,501.72
4. Step 4: Simplify right side
   35,608.42x = 1,007,542,104.22
5. Step 5: Solve for x
   x = 1,007,542,104.22/35,608.42
6. Step 6: Final answer
   x = 28,295.05