Finding the Fourth Proportional to 7,255.82, 10,012.94 and 4,069.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,255.82 : 10,012.94 = 4,069.42 : x
2. Step 2: Convert to fraction form
   7,255.82/10,012.94 = 4,069.42/x
3. Step 3: Cross multiply
   7,255.82x = 10,012.94 × 4,069.42
4. Step 4: Simplify right side
   7,255.82x = 40,746,858.29
5. Step 5: Solve for x
   x = 40,746,858.29/7,255.82
6. Step 6: Final answer
   x = 5,615.75