Finding the Fourth Proportional to 11,770, 17,648.88 and 3,976

Step by Step Solution

1. Step 1: Write the proportion equation
   11,770 : 17,648.88 = 3,976 : x
2. Step 2: Convert to fraction form
   11,770/17,648.88 = 3,976/x
3. Step 3: Cross multiply
   11,770x = 17,648.88 × 3,976
4. Step 4: Simplify right side
   11,770x = 70,171,946.88
5. Step 5: Solve for x
   x = 70,171,946.88/11,770
6. Step 6: Final answer
   x = 5,961.93