Finding the Fourth Proportional to 10,997.74, 16,493.13 and 3,976.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,997.74 : 16,493.13 = 3,976.81 : x
2. Step 2: Convert to fraction form
   10,997.74/16,493.13 = 3,976.81/x
3. Step 3: Cross multiply
   10,997.74x = 16,493.13 × 3,976.81
4. Step 4: Simplify right side
   10,997.74x = 65,590,044.32
5. Step 5: Solve for x
   x = 65,590,044.32/10,997.74
6. Step 6: Final answer
   x = 5,963.96