Finding the Fourth Proportional to 19,648.29, 29,469.51 and 7,165.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,648.29 : 29,469.51 = 7,165.38 : x
2. Step 2: Convert to fraction form
   19,648.29/29,469.51 = 7,165.38/x
3. Step 3: Cross multiply
   19,648.29x = 29,469.51 × 7,165.38
4. Step 4: Simplify right side
   19,648.29x = 211,160,237.56
5. Step 5: Solve for x
   x = 211,160,237.56/19,648.29
6. Step 6: Final answer
   x = 10,747.00