Finding the Fourth Proportional to 12,122, 18,185.82 and 3,801.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,122 : 18,185.82 = 3,801.56 : x
2. Step 2: Convert to fraction form
   12,122/18,185.82 = 3,801.56/x
3. Step 3: Cross multiply
   12,122x = 18,185.82 × 3,801.56
4. Step 4: Simplify right side
   12,122x = 69,134,485.88
5. Step 5: Solve for x
   x = 69,134,485.88/12,122
6. Step 6: Final answer
   x = 5,703.22