Finding the Fourth Proportional to 19,997.52, 29,997 and 10,109.04

Step by Step Solution

1. Step 1: Write the proportion equation
   19,997.52 : 29,997 = 10,109.04 : x
2. Step 2: Convert to fraction form
   19,997.52/29,997 = 10,109.04/x
3. Step 3: Cross multiply
   19,997.52x = 29,997 × 10,109.04
4. Step 4: Simplify right side
   19,997.52x = 303,240,872.88
5. Step 5: Solve for x
   x = 303,240,872.88/19,997.52
6. Step 6: Final answer
   x = 15,163.92