Finding the Fourth Proportional to 10,919.38, 16,362.83 and 5,647.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,919.38 : 16,362.83 = 5,647.35 : x
2. Step 2: Convert to fraction form
   10,919.38/16,362.83 = 5,647.35/x
3. Step 3: Cross multiply
   10,919.38x = 16,362.83 × 5,647.35
4. Step 4: Simplify right side
   10,919.38x = 92,406,611.44
5. Step 5: Solve for x
   x = 92,406,611.44/10,919.38
6. Step 6: Final answer
   x = 8,462.62