Finding the Fourth Proportional to 12,418.38, 18,614.61 and 5,019.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,418.38 : 18,614.61 = 5,019.84 : x
2. Step 2: Convert to fraction form
   12,418.38/18,614.61 = 5,019.84/x
3. Step 3: Cross multiply
   12,418.38x = 18,614.61 × 5,019.84
4. Step 4: Simplify right side
   12,418.38x = 93,442,363.86
5. Step 5: Solve for x
   x = 93,442,363.86/12,418.38
6. Step 6: Final answer
   x = 7,524.52