Finding the Fourth Proportional to 9,362.99, 12,920.94 and 5,114.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.99 : 12,920.94 = 5,114.09 : x
2. Step 2: Convert to fraction form
   9,362.99/12,920.94 = 5,114.09/x
3. Step 3: Cross multiply
   9,362.99x = 12,920.94 × 5,114.09
4. Step 4: Simplify right side
   9,362.99x = 66,078,785.44
5. Step 5: Solve for x
   x = 66,078,785.44/9,362.99
6. Step 6: Final answer
   x = 7,057.45