Finding the Fourth Proportional to 12,341.80, 18,514.61 and 4,019.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,341.80 : 18,514.61 = 4,019.86 : x
2. Step 2: Convert to fraction form
   12,341.80/18,514.61 = 4,019.86/x
3. Step 3: Cross multiply
   12,341.80x = 18,514.61 × 4,019.86
4. Step 4: Simplify right side
   12,341.80x = 74,426,140.15
5. Step 5: Solve for x
   x = 74,426,140.15/12,341.80
6. Step 6: Final answer
   x = 6,030.41