Finding the Fourth Proportional to 16,934.73, 25,417.69 and 8,620.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,934.73 : 25,417.69 = 8,620.69 : x
2. Step 2: Convert to fraction form
   16,934.73/25,417.69 = 8,620.69/x
3. Step 3: Cross multiply
   16,934.73x = 25,417.69 × 8,620.69
4. Step 4: Simplify right side
   16,934.73x = 219,117,940.91
5. Step 5: Solve for x
   x = 219,117,940.91/16,934.73
6. Step 6: Final answer
   x = 12,938.97