Finding the Fourth Proportional to 17,157.78, 23,676.93 and 9,704.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,157.78 : 23,676.93 = 9,704.34 : x
2. Step 2: Convert to fraction form
   17,157.78/23,676.93 = 9,704.34/x
3. Step 3: Cross multiply
   17,157.78x = 23,676.93 × 9,704.34
4. Step 4: Simplify right side
   17,157.78x = 229,768,978.88
5. Step 5: Solve for x
   x = 229,768,978.88/17,157.78
6. Step 6: Final answer
   x = 13,391.53