Finding the Fourth Proportional to 23,148.82, 31,943.71 and 13,589.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,148.82 : 31,943.71 = 13,589.09 : x
2. Step 2: Convert to fraction form
   23,148.82/31,943.71 = 13,589.09/x
3. Step 3: Cross multiply
   23,148.82x = 31,943.71 × 13,589.09
4. Step 4: Simplify right side
   23,148.82x = 434,085,882.18
5. Step 5: Solve for x
   x = 434,085,882.18/23,148.82
6. Step 6: Final answer
   x = 18,751.97