Finding the Fourth Proportional to 12,137.58, 18,206.22 and 3,372.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,137.58 : 18,206.22 = 3,372.42 : x
2. Step 2: Convert to fraction form
   12,137.58/18,206.22 = 3,372.42/x
3. Step 3: Cross multiply
   12,137.58x = 18,206.22 × 3,372.42
4. Step 4: Simplify right side
   12,137.58x = 61,399,020.45
5. Step 5: Solve for x
   x = 61,399,020.45/12,137.58
6. Step 6: Final answer
   x = 5,058.59