Finding the Fourth Proportional to 10,899.83, 16,357.01 and 3,974.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,899.83 : 16,357.01 = 3,974.33 : x
2. Step 2: Convert to fraction form
   10,899.83/16,357.01 = 3,974.33/x
3. Step 3: Cross multiply
   10,899.83x = 16,357.01 × 3,974.33
4. Step 4: Simplify right side
   10,899.83x = 65,008,176.57
5. Step 5: Solve for x
   x = 65,008,176.57/10,899.83
6. Step 6: Final answer
   x = 5,964.14