Finding the Fourth Proportional to 17,166.82, 25,729.43 and 7,285.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,166.82 : 25,729.43 = 7,285.34 : x
2. Step 2: Convert to fraction form
   17,166.82/25,729.43 = 7,285.34/x
3. Step 3: Cross multiply
   17,166.82x = 25,729.43 × 7,285.34
4. Step 4: Simplify right side
   17,166.82x = 187,447,645.56
5. Step 5: Solve for x
   x = 187,447,645.56/17,166.82
6. Step 6: Final answer
   x = 10,919.18