Finding the Fourth Proportional to 12,110.22, 18,165.42 and 3,345.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,110.22 : 18,165.42 = 3,345.60 : x
2. Step 2: Convert to fraction form
   12,110.22/18,165.42 = 3,345.60/x
3. Step 3: Cross multiply
   12,110.22x = 18,165.42 × 3,345.60
4. Step 4: Simplify right side
   12,110.22x = 60,774,229.15
5. Step 5: Solve for x
   x = 60,774,229.15/12,110.22
6. Step 6: Final answer
   x = 5,018.42