Finding the Fourth Proportional to 12,465.45, 18,625.18 and 12,029.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,465.45 : 18,625.18 = 12,029.42 : x
2. Step 2: Convert to fraction form
   12,465.45/18,625.18 = 12,029.42/x
3. Step 3: Cross multiply
   12,465.45x = 18,625.18 × 12,029.42
4. Step 4: Simplify right side
   12,465.45x = 224,050,112.80
5. Step 5: Solve for x
   x = 224,050,112.80/12,465.45
6. Step 6: Final answer
   x = 17,973.69