Finding the Fourth Proportional to 11,766.02, 17,648.49 and 3,974.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,766.02 : 17,648.49 = 3,974.90 : x
2. Step 2: Convert to fraction form
   11,766.02/17,648.49 = 3,974.90/x
3. Step 3: Cross multiply
   11,766.02x = 17,648.49 × 3,974.90
4. Step 4: Simplify right side
   11,766.02x = 70,150,982.90
5. Step 5: Solve for x
   x = 70,150,982.90/11,766.02
6. Step 6: Final answer
   x = 5,962.17