Finding the Fourth Proportional to 12,118.25, 18,177.35 and 3,353.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,118.25 : 18,177.35 = 3,353.14 : x
2. Step 2: Convert to fraction form
   12,118.25/18,177.35 = 3,353.14/x
3. Step 3: Cross multiply
   12,118.25x = 18,177.35 × 3,353.14
4. Step 4: Simplify right side
   12,118.25x = 60,951,199.38
5. Step 5: Solve for x
   x = 60,951,199.38/12,118.25
6. Step 6: Final answer
   x = 5,029.70