Finding the Fourth Proportional to 35,560.53, 49,073.43 and 20,456.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,560.53 : 49,073.43 = 20,456.10 : x
2. Step 2: Convert to fraction form
   35,560.53/49,073.43 = 20,456.10/x
3. Step 3: Cross multiply
   35,560.53x = 49,073.43 × 20,456.10
4. Step 4: Simplify right side
   35,560.53x = 1,003,850,991.42
5. Step 5: Solve for x
   x = 1,003,850,991.42/35,560.53
6. Step 6: Final answer
   x = 28,229.36