Finding the Fourth Proportional to 17,111.69, 23,613.88 and 9,558.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,111.69 : 23,613.88 = 9,558.15 : x
2. Step 2: Convert to fraction form
   17,111.69/23,613.88 = 9,558.15/x
3. Step 3: Cross multiply
   17,111.69x = 23,613.88 × 9,558.15
4. Step 4: Simplify right side
   17,111.69x = 225,705,007.12
5. Step 5: Solve for x
   x = 225,705,007.12/17,111.69
6. Step 6: Final answer
   x = 13,190.11