Finding the Fourth Proportional to 10,899.88, 16,352.24 and 3,974.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,899.88 : 16,352.24 = 3,974.38 : x
2. Step 2: Convert to fraction form
   10,899.88/16,352.24 = 3,974.38/x
3. Step 3: Cross multiply
   10,899.88x = 16,352.24 × 3,974.38
4. Step 4: Simplify right side
   10,899.88x = 64,990,015.61
5. Step 5: Solve for x
   x = 64,990,015.61/10,899.88
6. Step 6: Final answer
   x = 5,962.45