Finding the Fourth Proportional to 17,181.45, 25,757.33 and 7,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,181.45 : 25,757.33 = 7,686.50 : x
2. Step 2: Convert to fraction form
   17,181.45/25,757.33 = 7,686.50/x
3. Step 3: Cross multiply
   17,181.45x = 25,757.33 × 7,686.50
4. Step 4: Simplify right side
   17,181.45x = 197,983,549.83
5. Step 5: Solve for x
   x = 197,983,549.83/17,181.45
6. Step 6: Final answer
   x = 11,523.10