Finding the Fourth Proportional to 17,388.24, 23,995.54 and 9,430.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,388.24 : 23,995.54 = 9,430.31 : x
2. Step 2: Convert to fraction form
   17,388.24/23,995.54 = 9,430.31/x
3. Step 3: Cross multiply
   17,388.24x = 23,995.54 × 9,430.31
4. Step 4: Simplify right side
   17,388.24x = 226,285,380.82
5. Step 5: Solve for x
   x = 226,285,380.82/17,388.24
6. Step 6: Final answer
   x = 13,013.70