Finding the Fourth Proportional to 12,401.17, 18,604.01 and 4,083.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.17 : 18,604.01 = 4,083.55 : x
2. Step 2: Convert to fraction form
   12,401.17/18,604.01 = 4,083.55/x
3. Step 3: Cross multiply
   12,401.17x = 18,604.01 × 4,083.55
4. Step 4: Simplify right side
   12,401.17x = 75,970,368.73
5. Step 5: Solve for x
   x = 75,970,368.73/12,401.17
6. Step 6: Final answer
   x = 6,126.07