Finding the Fourth Proportional to 7,255.36, 10,012.98 and 4,111.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,255.36 : 10,012.98 = 4,111.75 : x
2. Step 2: Convert to fraction form
   7,255.36/10,012.98 = 4,111.75/x
3. Step 3: Cross multiply
   7,255.36x = 10,012.98 × 4,111.75
4. Step 4: Simplify right side
   7,255.36x = 41,170,870.52
5. Step 5: Solve for x
   x = 41,170,870.52/7,255.36
6. Step 6: Final answer
   x = 5,674.55