Finding the Fourth Proportional to 35,078.72, 48,399.96 and 22,520.48

Step by Step Solution

1. Step 1: Write the proportion equation
   35,078.72 : 48,399.96 = 22,520.48 : x
2. Step 2: Convert to fraction form
   35,078.72/48,399.96 = 22,520.48/x
3. Step 3: Cross multiply
   35,078.72x = 48,399.96 × 22,520.48
4. Step 4: Simplify right side
   35,078.72x = 1,089,990,331.18
5. Step 5: Solve for x
   x = 1,089,990,331.18/35,078.72
6. Step 6: Final answer
   x = 31,072.69