Finding the Fourth Proportional to 7,112.15, 10,669.41 and 2,180.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,112.15 : 10,669.41 = 2,180.60 : x
2. Step 2: Convert to fraction form
   7,112.15/10,669.41 = 2,180.60/x
3. Step 3: Cross multiply
   7,112.15x = 10,669.41 × 2,180.60
4. Step 4: Simplify right side
   7,112.15x = 23,265,662.10
5. Step 5: Solve for x
   x = 23,265,662.10/7,112.15
6. Step 6: Final answer
   x = 3,271.26