Finding the Fourth Proportional to 11,946.85, 17,921.18 and 3,627.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,946.85 : 17,921.18 = 3,627.61 : x
2. Step 2: Convert to fraction form
   11,946.85/17,921.18 = 3,627.61/x
3. Step 3: Cross multiply
   11,946.85x = 17,921.18 × 3,627.61
4. Step 4: Simplify right side
   11,946.85x = 65,011,016.05
5. Step 5: Solve for x
   x = 65,011,016.05/11,946.85
6. Step 6: Final answer
   x = 5,441.69