Finding the Fourth Proportional to 18,250.54, 25,159.89 and 12,943.42

Step by Step Solution

1. Step 1: Write the proportion equation
   18,250.54 : 25,159.89 = 12,943.42 : x
2. Step 2: Convert to fraction form
   18,250.54/25,159.89 = 12,943.42/x
3. Step 3: Cross multiply
   18,250.54x = 25,159.89 × 12,943.42
4. Step 4: Simplify right side
   18,250.54x = 325,655,023.42
5. Step 5: Solve for x
   x = 325,655,023.42/18,250.54
6. Step 6: Final answer
   x = 17,843.58