Finding the Fourth Proportional to 16,472.58, 22,710.15 and 13,629.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,472.58 : 22,710.15 = 13,629.48 : x
2. Step 2: Convert to fraction form
   16,472.58/22,710.15 = 13,629.48/x
3. Step 3: Cross multiply
   16,472.58x = 22,710.15 × 13,629.48
4. Step 4: Simplify right side
   16,472.58x = 309,527,535.22
5. Step 5: Solve for x
   x = 309,527,535.22/16,472.58
6. Step 6: Final answer
   x = 18,790.47