Finding the Fourth Proportional to 19,490.72, 29,228.83 and 7,007.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,490.72 : 29,228.83 = 7,007.34 : x
2. Step 2: Convert to fraction form
   19,490.72/29,228.83 = 7,007.34/x
3. Step 3: Cross multiply
   19,490.72x = 29,228.83 × 7,007.34
4. Step 4: Simplify right side
   19,490.72x = 204,816,332.09
5. Step 5: Solve for x
   x = 204,816,332.09/19,490.72
6. Step 6: Final answer
   x = 10,508.40