Finding the Fourth Proportional to 25,665.39, 35,419.68 and 18,114.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,665.39 : 35,419.68 = 18,114.18 : x
2. Step 2: Convert to fraction form
   25,665.39/35,419.68 = 18,114.18/x
3. Step 3: Cross multiply
   25,665.39x = 35,419.68 × 18,114.18
4. Step 4: Simplify right side
   25,665.39x = 641,598,459.06
5. Step 5: Solve for x
   x = 641,598,459.06/25,665.39
6. Step 6: Final answer
   x = 24,998.59