Finding the Fourth Proportional to 12,404.15, 18,599.20 and 4,081.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.15 : 18,599.20 = 4,081.94 : x
2. Step 2: Convert to fraction form
   12,404.15/18,599.20 = 4,081.94/x
3. Step 3: Cross multiply
   12,404.15x = 18,599.20 × 4,081.94
4. Step 4: Simplify right side
   12,404.15x = 75,920,715.25
5. Step 5: Solve for x
   x = 75,920,715.25/12,404.15
6. Step 6: Final answer
   x = 6,120.59