Finding the Fourth Proportional to 10,911.67, 16,368.56 and 4,336.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,911.67 : 16,368.56 = 4,336.38 : x
2. Step 2: Convert to fraction form
   10,911.67/16,368.56 = 4,336.38/x
3. Step 3: Cross multiply
   10,911.67x = 16,368.56 × 4,336.38
4. Step 4: Simplify right side
   10,911.67x = 70,980,296.21
5. Step 5: Solve for x
   x = 70,980,296.21/10,911.67
6. Step 6: Final answer
   x = 6,504.99