Finding the Fourth Proportional to 22,103.76, 30,493 and 14,142.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,103.76 : 30,493 = 14,142.16 : x
2. Step 2: Convert to fraction form
   22,103.76/30,493 = 14,142.16/x
3. Step 3: Cross multiply
   22,103.76x = 30,493 × 14,142.16
4. Step 4: Simplify right side
   22,103.76x = 431,236,884.88
5. Step 5: Solve for x
   x = 431,236,884.88/22,103.76
6. Step 6: Final answer
   x = 19,509.66