Finding the Fourth Proportional to 2,479.50, 3,420.39 and 1,546.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.50 : 3,420.39 = 1,546.38 : x
2. Step 2: Convert to fraction form
   2,479.50/3,420.39 = 1,546.38/x
3. Step 3: Cross multiply
   2,479.50x = 3,420.39 × 1,546.38
4. Step 4: Simplify right side
   2,479.50x = 5,289,222.69
5. Step 5: Solve for x
   x = 5,289,222.69/2,479.50
6. Step 6: Final answer
   x = 2,133.18