Finding the Fourth Proportional to 12,495.40, 17,208.52 and 12,223.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,495.40 : 17,208.52 = 12,223.24 : x
2. Step 2: Convert to fraction form
   12,495.40/17,208.52 = 12,223.24/x
3. Step 3: Cross multiply
   12,495.40x = 17,208.52 × 12,223.24
4. Step 4: Simplify right side
   12,495.40x = 210,343,870.00
5. Step 5: Solve for x
   x = 210,343,870.00/12,495.40
6. Step 6: Final answer
   x = 16,833.70