Finding the Fourth Proportional to 14,499.55, 20,010.78 and 8,127.23

Step by Step Solution

1. Step 1: Write the proportion equation
   14,499.55 : 20,010.78 = 8,127.23 : x
2. Step 2: Convert to fraction form
   14,499.55/20,010.78 = 8,127.23/x
3. Step 3: Cross multiply
   14,499.55x = 20,010.78 × 8,127.23
4. Step 4: Simplify right side
   14,499.55x = 162,632,111.49
5. Step 5: Solve for x
   x = 162,632,111.49/14,499.55
6. Step 6: Final answer
   x = 11,216.36