Finding the Fourth Proportional to 10,924.12, 16,384.56 and 3,997

Step by Step Solution

1. Step 1: Write the proportion equation
   10,924.12 : 16,384.56 = 3,997 : x
2. Step 2: Convert to fraction form
   10,924.12/16,384.56 = 3,997/x
3. Step 3: Cross multiply
   10,924.12x = 16,384.56 × 3,997
4. Step 4: Simplify right side
   10,924.12x = 65,489,086.32
5. Step 5: Solve for x
   x = 65,489,086.32/10,924.12
6. Step 6: Final answer
   x = 5,994.91