Finding the Fourth Proportional to 20,762.10, 31,138.56 and 5,967.72

Step by Step Solution

1. Step 1: Write the proportion equation
   20,762.10 : 31,138.56 = 5,967.72 : x
2. Step 2: Convert to fraction form
   20,762.10/31,138.56 = 5,967.72/x
3. Step 3: Cross multiply
   20,762.10x = 31,138.56 × 5,967.72
4. Step 4: Simplify right side
   20,762.10x = 185,826,207.28
5. Step 5: Solve for x
   x = 185,826,207.28/20,762.10
6. Step 6: Final answer
   x = 8,950.26