Finding the Fourth Proportional to 17,146.72, 23,661.36 and 9,591.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,146.72 : 23,661.36 = 9,591.74 : x
2. Step 2: Convert to fraction form
   17,146.72/23,661.36 = 9,591.74/x
3. Step 3: Cross multiply
   17,146.72x = 23,661.36 × 9,591.74
4. Step 4: Simplify right side
   17,146.72x = 226,953,613.17
5. Step 5: Solve for x
   x = 226,953,613.17/17,146.72
6. Step 6: Final answer
   x = 13,235.98