Finding the Fourth Proportional to 17,388.87, 23,996.69 and 9,431.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,388.87 : 23,996.69 = 9,431.16 : x
2. Step 2: Convert to fraction form
   17,388.87/23,996.69 = 9,431.16/x
3. Step 3: Cross multiply
   17,388.87x = 23,996.69 × 9,431.16
4. Step 4: Simplify right side
   17,388.87x = 226,316,622.86
5. Step 5: Solve for x
   x = 226,316,622.86/17,388.87
6. Step 6: Final answer
   x = 13,015.03