Finding the Fourth Proportional to 32,105.46, 44,290.56 and 20,778.60

Step by Step Solution

1. Step 1: Write the proportion equation
   32,105.46 : 44,290.56 = 20,778.60 : x
2. Step 2: Convert to fraction form
   32,105.46/44,290.56 = 20,778.60/x
3. Step 3: Cross multiply
   32,105.46x = 44,290.56 × 20,778.60
4. Step 4: Simplify right side
   32,105.46x = 920,295,830.02
5. Step 5: Solve for x
   x = 920,295,830.02/32,105.46
6. Step 6: Final answer
   x = 28,664.78