Finding the Fourth Proportional to 14,499.96, 21,747.92 and 4,640.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,499.96 : 21,747.92 = 4,640.10 : x
2. Step 2: Convert to fraction form
   14,499.96/21,747.92 = 4,640.10/x
3. Step 3: Cross multiply
   14,499.96x = 21,747.92 × 4,640.10
4. Step 4: Simplify right side
   14,499.96x = 100,912,500.39
5. Step 5: Solve for x
   x = 100,912,500.39/14,499.96
6. Step 6: Final answer
   x = 6,959.50