Finding the Fourth Proportional to 17,268.39, 23,830.34 and 9,714.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,268.39 : 23,830.34 = 9,714.72 : x
2. Step 2: Convert to fraction form
   17,268.39/23,830.34 = 9,714.72/x
3. Step 3: Cross multiply
   17,268.39x = 23,830.34 × 9,714.72
4. Step 4: Simplify right side
   17,268.39x = 231,505,032.03
5. Step 5: Solve for x
   x = 231,505,032.03/17,268.39
6. Step 6: Final answer
   x = 13,406.29