Finding the Fourth Proportional to 17,071.72, 23,560.38 and 9,416.49

Step by Step Solution

1. Step 1: Write the proportion equation
   17,071.72 : 23,560.38 = 9,416.49 : x
2. Step 2: Convert to fraction form
   17,071.72/23,560.38 = 9,416.49/x
3. Step 3: Cross multiply
   17,071.72x = 23,560.38 × 9,416.49
4. Step 4: Simplify right side
   17,071.72x = 221,856,082.67
5. Step 5: Solve for x
   x = 221,856,082.67/17,071.72
6. Step 6: Final answer
   x = 12,995.53