Finding the Fourth Proportional to 45,383.16, 68,078.00 and 12,103.05

Step by Step Solution

1. Step 1: Write the proportion equation
   45,383.16 : 68,078.00 = 12,103.05 : x
2. Step 2: Convert to fraction form
   45,383.16/68,078.00 = 12,103.05/x
3. Step 3: Cross multiply
   45,383.16x = 68,078.00 × 12,103.05
4. Step 4: Simplify right side
   45,383.16x = 823,951,377.38
5. Step 5: Solve for x
   x = 823,951,377.38/45,383.16
6. Step 6: Final answer
   x = 18,155.44