Finding the Fourth Proportional to 17,314.20, 23,893.54 and 9,356.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,314.20 : 23,893.54 = 9,356.42 : x
2. Step 2: Convert to fraction form
   17,314.20/23,893.54 = 9,356.42/x
3. Step 3: Cross multiply
   17,314.20x = 23,893.54 × 9,356.42
4. Step 4: Simplify right side
   17,314.20x = 223,557,995.53
5. Step 5: Solve for x
   x = 223,557,995.53/17,314.20
6. Step 6: Final answer
   x = 12,911.83