Finding the Fourth Proportional to 12,401.75, 18,603.82 and 4,081.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.75 : 18,603.82 = 4,081.79 : x
2. Step 2: Convert to fraction form
   12,401.75/18,603.82 = 4,081.79/x
3. Step 3: Cross multiply
   12,401.75x = 18,603.82 × 4,081.79
4. Step 4: Simplify right side
   12,401.75x = 75,936,886.44
5. Step 5: Solve for x
   x = 75,936,886.44/12,401.75
6. Step 6: Final answer
   x = 6,123.08