Finding the Fourth Proportional to 12,377.38, 18,565.77 and 3,612.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.38 : 18,565.77 = 3,612.37 : x
2. Step 2: Convert to fraction form
   12,377.38/18,565.77 = 3,612.37/x
3. Step 3: Cross multiply
   12,377.38x = 18,565.77 × 3,612.37
4. Step 4: Simplify right side
   12,377.38x = 67,066,458.93
5. Step 5: Solve for x
   x = 67,066,458.93/12,377.38
6. Step 6: Final answer
   x = 5,418.47