Finding the Fourth Proportional to 16,018.14, 24,023.34 and 7,128.66

Step by Step Solution

1. Step 1: Write the proportion equation
   16,018.14 : 24,023.34 = 7,128.66 : x
2. Step 2: Convert to fraction form
   16,018.14/24,023.34 = 7,128.66/x
3. Step 3: Cross multiply
   16,018.14x = 24,023.34 × 7,128.66
4. Step 4: Simplify right side
   16,018.14x = 171,254,222.92
5. Step 5: Solve for x
   x = 171,254,222.92/16,018.14
6. Step 6: Final answer
   x = 10,691.27