Finding the Fourth Proportional to 19,665.62, 29,504.91 and 7,189.46

Step by Step Solution

1. Step 1: Write the proportion equation
   19,665.62 : 29,504.91 = 7,189.46 : x
2. Step 2: Convert to fraction form
   19,665.62/29,504.91 = 7,189.46/x
3. Step 3: Cross multiply
   19,665.62x = 29,504.91 × 7,189.46
4. Step 4: Simplify right side
   19,665.62x = 212,124,370.25
5. Step 5: Solve for x
   x = 212,124,370.25/19,665.62
6. Step 6: Final answer
   x = 10,786.56