Finding the Fourth Proportional to 17,111.52, 23,613.84 and 9,942.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,111.52 : 23,613.84 = 9,942.48 : x
2. Step 2: Convert to fraction form
   17,111.52/23,613.84 = 9,942.48/x
3. Step 3: Cross multiply
   17,111.52x = 23,613.84 × 9,942.48
4. Step 4: Simplify right side
   17,111.52x = 234,780,131.92
5. Step 5: Solve for x
   x = 234,780,131.92/17,111.52
6. Step 6: Final answer
   x = 13,720.59