Finding the Fourth Proportional to 16,942.50, 25,396.38 and 7,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,942.50 : 25,396.38 = 7,087.50 : x
2. Step 2: Convert to fraction form
   16,942.50/25,396.38 = 7,087.50/x
3. Step 3: Cross multiply
   16,942.50x = 25,396.38 × 7,087.50
4. Step 4: Simplify right side
   16,942.50x = 179,996,843.25
5. Step 5: Solve for x
   x = 179,996,843.25/16,942.50
6. Step 6: Final answer
   x = 10,623.98