Finding the Fourth Proportional to 12,404.69, 18,608.21 and 4,084.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.69 : 18,608.21 = 4,084.73 : x
2. Step 2: Convert to fraction form
   12,404.69/18,608.21 = 4,084.73/x
3. Step 3: Cross multiply
   12,404.69x = 18,608.21 × 4,084.73
4. Step 4: Simplify right side
   12,404.69x = 76,009,473.78
5. Step 5: Solve for x
   x = 76,009,473.78/12,404.69
6. Step 6: Final answer
   x = 6,127.48