Finding the Fourth Proportional to 17,269.64, 23,830.42 and 9,714.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,269.64 : 23,830.42 = 9,714.20 : x
2. Step 2: Convert to fraction form
   17,269.64/23,830.42 = 9,714.20/x
3. Step 3: Cross multiply
   17,269.64x = 23,830.42 × 9,714.20
4. Step 4: Simplify right side
   17,269.64x = 231,493,465.96
5. Step 5: Solve for x
   x = 231,493,465.96/17,269.64
6. Step 6: Final answer
   x = 13,404.65