Finding the Fourth Proportional to 12,389.93, 18,577.92 and 4,067.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,389.93 : 18,577.92 = 4,067.69 : x
2. Step 2: Convert to fraction form
   12,389.93/18,577.92 = 4,067.69/x
3. Step 3: Cross multiply
   12,389.93x = 18,577.92 × 4,067.69
4. Step 4: Simplify right side
   12,389.93x = 75,569,141.77
5. Step 5: Solve for x
   x = 75,569,141.77/12,389.93
6. Step 6: Final answer
   x = 6,099.24