Finding the Fourth Proportional to 12,012.22, 18,019.34 and 4,114.45

Step by Step Solution

1. Step 1: Write the proportion equation
   12,012.22 : 18,019.34 = 4,114.45 : x
2. Step 2: Convert to fraction form
   12,012.22/18,019.34 = 4,114.45/x
3. Step 3: Cross multiply
   12,012.22x = 18,019.34 × 4,114.45
4. Step 4: Simplify right side
   12,012.22x = 74,139,673.46
5. Step 5: Solve for x
   x = 74,139,673.46/12,012.22
6. Step 6: Final answer
   x = 6,172.02