Finding the Fourth Proportional to 12,124.90, 18,185.24 and 3,359.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,124.90 : 18,185.24 = 3,359.82 : x
2. Step 2: Convert to fraction form
   12,124.90/18,185.24 = 3,359.82/x
3. Step 3: Cross multiply
   12,124.90x = 18,185.24 × 3,359.82
4. Step 4: Simplify right side
   12,124.90x = 61,099,133.06
5. Step 5: Solve for x
   x = 61,099,133.06/12,124.90
6. Step 6: Final answer
   x = 5,039.15