Finding the Fourth Proportional to 32,078.72, 44,270.90 and 20,900.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,078.72 : 44,270.90 = 20,900.72 : x
2. Step 2: Convert to fraction form
   32,078.72/44,270.90 = 20,900.72/x
3. Step 3: Cross multiply
   32,078.72x = 44,270.90 × 20,900.72
4. Step 4: Simplify right side
   32,078.72x = 925,293,685.05
5. Step 5: Solve for x
   x = 925,293,685.05/32,078.72
6. Step 6: Final answer
   x = 28,844.47