Finding the Fourth Proportional to 23,184.69, 31,959.99 and 18,140.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,184.69 : 31,959.99 = 18,140.15 : x
2. Step 2: Convert to fraction form
   23,184.69/31,959.99 = 18,140.15/x
3. Step 3: Cross multiply
   23,184.69x = 31,959.99 × 18,140.15
4. Step 4: Simplify right side
   23,184.69x = 579,759,143.52
5. Step 5: Solve for x
   x = 579,759,143.52/23,184.69
6. Step 6: Final answer
   x = 25,006.12