Finding the Fourth Proportional to 12,401.71, 18,595.55 and 4,079.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,401.71 : 18,595.55 = 4,079.49 : x
2. Step 2: Convert to fraction form
   12,401.71/18,595.55 = 4,079.49/x
3. Step 3: Cross multiply
   12,401.71x = 18,595.55 × 4,079.49
4. Step 4: Simplify right side
   12,401.71x = 75,860,341.56
5. Step 5: Solve for x
   x = 75,860,341.56/12,401.71
6. Step 6: Final answer
   x = 6,116.93