Finding the Fourth Proportional to 12,401.91, 18,605.56 and 4,082.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.91 : 18,605.56 = 4,082.77 : x
2. Step 2: Convert to fraction form
   12,401.91/18,605.56 = 4,082.77/x
3. Step 3: Cross multiply
   12,401.91x = 18,605.56 × 4,082.77
4. Step 4: Simplify right side
   12,401.91x = 75,962,165.48
5. Step 5: Solve for x
   x = 75,962,165.48/12,401.91
6. Step 6: Final answer
   x = 6,125.04