Finding the Fourth Proportional to 12,446.52, 17,174.97 and 7,409.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,446.52 : 17,174.97 = 7,409.22 : x
2. Step 2: Convert to fraction form
   12,446.52/17,174.97 = 7,409.22/x
3. Step 3: Cross multiply
   12,446.52x = 17,174.97 × 7,409.22
4. Step 4: Simplify right side
   12,446.52x = 127,253,131.22
5. Step 5: Solve for x
   x = 127,253,131.22/12,446.52
6. Step 6: Final answer
   x = 10,223.99