Finding the Fourth Proportional to 19,574.72, 27,012.90 and 10,622.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,574.72 : 27,012.90 = 10,622.42 : x
2. Step 2: Convert to fraction form
   19,574.72/27,012.90 = 10,622.42/x
3. Step 3: Cross multiply
   19,574.72x = 27,012.90 × 10,622.42
4. Step 4: Simplify right side
   19,574.72x = 286,942,369.22
5. Step 5: Solve for x
   x = 286,942,369.22/19,574.72
6. Step 6: Final answer
   x = 14,658.82