Finding the Fourth Proportional to 7,078.93, 10,619.67 and 5,774.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078.93 : 10,619.67 = 5,774.25 : x
2. Step 2: Convert to fraction form
   7,078.93/10,619.67 = 5,774.25/x
3. Step 3: Cross multiply
   7,078.93x = 10,619.67 × 5,774.25
4. Step 4: Simplify right side
   7,078.93x = 61,320,629.50
5. Step 5: Solve for x
   x = 61,320,629.50/7,078.93
6. Step 6: Final answer
   x = 8,662.42