Finding the Fourth Proportional to 17,016.70, 23,479.60 and 9,941.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,016.70 : 23,479.60 = 9,941.76 : x
2. Step 2: Convert to fraction form
   17,016.70/23,479.60 = 9,941.76/x
3. Step 3: Cross multiply
   17,016.70x = 23,479.60 × 9,941.76
4. Step 4: Simplify right side
   17,016.70x = 233,428,455.55
5. Step 5: Solve for x
   x = 233,428,455.55/17,016.70
6. Step 6: Final answer
   x = 13,717.61