Finding the Fourth Proportional to 32,765.72, 45,223.96 and 20,826.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,765.72 : 45,223.96 = 20,826.72 : x
2. Step 2: Convert to fraction form
   32,765.72/45,223.96 = 20,826.72/x
3. Step 3: Cross multiply
   32,765.72x = 45,223.96 × 20,826.72
4. Step 4: Simplify right side
   32,765.72x = 941,866,752.21
5. Step 5: Solve for x
   x = 941,866,752.21/32,765.72
6. Step 6: Final answer
   x = 28,745.49