Finding the Fourth Proportional to 7,155.54, 10,718.61 and 3,446.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,155.54 : 10,718.61 = 3,446.82 : x
2. Step 2: Convert to fraction form
   7,155.54/10,718.61 = 3,446.82/x
3. Step 3: Cross multiply
   7,155.54x = 10,718.61 × 3,446.82
4. Step 4: Simplify right side
   7,155.54x = 36,945,119.32
5. Step 5: Solve for x
   x = 36,945,119.32/7,155.54
6. Step 6: Final answer
   x = 5,163.15