Finding the Fourth Proportional to 12,741.74, 19,116.49 and 3,976.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,741.74 : 19,116.49 = 3,976.73 : x
2. Step 2: Convert to fraction form
   12,741.74/19,116.49 = 3,976.73/x
3. Step 3: Cross multiply
   12,741.74x = 19,116.49 × 3,976.73
4. Step 4: Simplify right side
   12,741.74x = 76,021,119.28
5. Step 5: Solve for x
   x = 76,021,119.28/12,741.74
6. Step 6: Final answer
   x = 5,966.31