Finding the Fourth Proportional to 25,019.50, 34,531.54 and 16,078.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,019.50 : 34,531.54 = 16,078.18 : x
2. Step 2: Convert to fraction form
   25,019.50/34,531.54 = 16,078.18/x
3. Step 3: Cross multiply
   25,019.50x = 34,531.54 × 16,078.18
4. Step 4: Simplify right side
   25,019.50x = 555,204,315.80
5. Step 5: Solve for x
   x = 555,204,315.80/25,019.50
6. Step 6: Final answer
   x = 22,190.86