Finding the Fourth Proportional to 12,453.85, 17,304.25 and 12,323.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,453.85 : 17,304.25 = 12,323.84 : x
2. Step 2: Convert to fraction form
   12,453.85/17,304.25 = 12,323.84/x
3. Step 3: Cross multiply
   12,453.85x = 17,304.25 × 12,323.84
4. Step 4: Simplify right side
   12,453.85x = 213,254,789.96
5. Step 5: Solve for x
   x = 213,254,789.96/12,453.85
6. Step 6: Final answer
   x = 17,123.61