Finding the Fourth Proportional to 17,268.57, 23,830.59 and 9,714.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,268.57 : 23,830.59 = 9,714.91 : x
2. Step 2: Convert to fraction form
   17,268.57/23,830.59 = 9,714.91/x
3. Step 3: Cross multiply
   17,268.57x = 23,830.59 × 9,714.91
4. Step 4: Simplify right side
   17,268.57x = 231,512,001.81
5. Step 5: Solve for x
   x = 231,512,001.81/17,268.57
6. Step 6: Final answer
   x = 13,406.55