Finding the Fourth Proportional to 16,970.99, 25,446.25 and 7,609.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,970.99 : 25,446.25 = 7,609.31 : x
2. Step 2: Convert to fraction form
   16,970.99/25,446.25 = 7,609.31/x
3. Step 3: Cross multiply
   16,970.99x = 25,446.25 × 7,609.31
4. Step 4: Simplify right side
   16,970.99x = 193,628,404.59
5. Step 5: Solve for x
   x = 193,628,404.59/16,970.99
6. Step 6: Final answer
   x = 11,409.38