Finding the Fourth Proportional to 18,053.94, 24,920.71 and 12,407.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,053.94 : 24,920.71 = 12,407.38 : x
2. Step 2: Convert to fraction form
   18,053.94/24,920.71 = 12,407.38/x
3. Step 3: Cross multiply
   18,053.94x = 24,920.71 × 12,407.38
4. Step 4: Simplify right side
   18,053.94x = 309,200,765.70
5. Step 5: Solve for x
   x = 309,200,765.70/18,053.94
6. Step 6: Final answer
   x = 17,126.49