Finding the Fourth Proportional to 12,238.77, 18,367.38 and 5,669.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,238.77 : 18,367.38 = 5,669.56 : x
2. Step 2: Convert to fraction form
   12,238.77/18,367.38 = 5,669.56/x
3. Step 3: Cross multiply
   12,238.77x = 18,367.38 × 5,669.56
4. Step 4: Simplify right side
   12,238.77x = 104,134,962.95
5. Step 5: Solve for x
   x = 104,134,962.95/12,238.77
6. Step 6: Final answer
   x = 8,508.61