Finding the Fourth Proportional to 17,296.72, 23,868.12 and 9,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,296.72 : 23,868.12 = 9,742.72 : x
2. Step 2: Convert to fraction form
   17,296.72/23,868.12 = 9,742.72/x
3. Step 3: Cross multiply
   17,296.72x = 23,868.12 × 9,742.72
4. Step 4: Simplify right side
   17,296.72x = 232,540,410.09
5. Step 5: Solve for x
   x = 232,540,410.09/17,296.72
6. Step 6: Final answer
   x = 13,444.19