Finding the Fourth Proportional to 22,496.50, 31,045.40 and 12,425.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,496.50 : 31,045.40 = 12,425.19 : x
2. Step 2: Convert to fraction form
   22,496.50/31,045.40 = 12,425.19/x
3. Step 3: Cross multiply
   22,496.50x = 31,045.40 × 12,425.19
4. Step 4: Simplify right side
   22,496.50x = 385,744,993.63
5. Step 5: Solve for x
   x = 385,744,993.63/22,496.50
6. Step 6: Final answer
   x = 17,146.89