Finding the Fourth Proportional to 23,105.17, 31,885.09 and 13,033.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,105.17 : 31,885.09 = 13,033.59 : x
2. Step 2: Convert to fraction form
   23,105.17/31,885.09 = 13,033.59/x
3. Step 3: Cross multiply
   23,105.17x = 31,885.09 × 13,033.59
4. Step 4: Simplify right side
   23,105.17x = 415,577,190.17
5. Step 5: Solve for x
   x = 415,577,190.17/23,105.17
6. Step 6: Final answer
   x = 17,986.33