Finding the Fourth Proportional to 25,105.97, 34,627.02 and 18,389.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,105.97 : 34,627.02 = 18,389.18 : x
2. Step 2: Convert to fraction form
   25,105.97/34,627.02 = 18,389.18/x
3. Step 3: Cross multiply
   25,105.97x = 34,627.02 × 18,389.18
4. Step 4: Simplify right side
   25,105.97x = 636,762,503.64
5. Step 5: Solve for x
   x = 636,762,503.64/25,105.97
6. Step 6: Final answer
   x = 25,362.99