Finding the Fourth Proportional to 12,379.83, 18,568.23 and 3,614.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,379.83 : 18,568.23 = 3,614.76 : x
2. Step 2: Convert to fraction form
   12,379.83/18,568.23 = 3,614.76/x
3. Step 3: Cross multiply
   12,379.83x = 18,568.23 × 3,614.76
4. Step 4: Simplify right side
   12,379.83x = 67,119,695.07
5. Step 5: Solve for x
   x = 67,119,695.07/12,379.83
6. Step 6: Final answer
   x = 5,421.70