Finding the Fourth Proportional to 17,146.74, 23,646.69 and 13,168.02

Step by Step Solution

1. Step 1: Write the proportion equation
   17,146.74 : 23,646.69 = 13,168.02 : x
2. Step 2: Convert to fraction form
   17,146.74/23,646.69 = 13,168.02/x
3. Step 3: Cross multiply
   17,146.74x = 23,646.69 × 13,168.02
4. Step 4: Simplify right side
   17,146.74x = 311,380,086.85
5. Step 5: Solve for x
   x = 311,380,086.85/17,146.74
6. Step 6: Final answer
   x = 18,159.73