Finding the Fourth Proportional to 17,061.22, 25,572.66 and 7,687.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,061.22 : 25,572.66 = 7,687.18 : x
2. Step 2: Convert to fraction form
   17,061.22/25,572.66 = 7,687.18/x
3. Step 3: Cross multiply
   17,061.22x = 25,572.66 × 7,687.18
4. Step 4: Simplify right side
   17,061.22x = 196,581,640.50
5. Step 5: Solve for x
   x = 196,581,640.50/17,061.22
6. Step 6: Final answer
   x = 11,522.13