Finding the Fourth Proportional to 16,877.16, 23,290.98 and 9,425

Step by Step Solution

1. Step 1: Write the proportion equation
   16,877.16 : 23,290.98 = 9,425 : x
2. Step 2: Convert to fraction form
   16,877.16/23,290.98 = 9,425/x
3. Step 3: Cross multiply
   16,877.16x = 23,290.98 × 9,425
4. Step 4: Simplify right side
   16,877.16x = 219,517,486.50
5. Step 5: Solve for x
   x = 219,517,486.50/16,877.16
6. Step 6: Final answer
   x = 13,006.78