Finding the Fourth Proportional to 20,498.62, 30,728.32 and 8,014.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,498.62 : 30,728.32 = 8,014.50 : x
2. Step 2: Convert to fraction form
   20,498.62/30,728.32 = 8,014.50/x
3. Step 3: Cross multiply
   20,498.62x = 30,728.32 × 8,014.50
4. Step 4: Simplify right side
   20,498.62x = 246,271,967.00
5. Step 5: Solve for x
   x = 246,271,967.00/20,498.62
6. Step 6: Final answer
   x = 12,014.08