Finding the Fourth Proportional to 3,453.69, 5,180.55 and 1,479.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,453.69 : 5,180.55 = 1,479.16 : x
2. Step 2: Convert to fraction form
   3,453.69/5,180.55 = 1,479.16/x
3. Step 3: Cross multiply
   3,453.69x = 5,180.55 × 1,479.16
4. Step 4: Simplify right side
   3,453.69x = 7,662,868.43
5. Step 5: Solve for x
   x = 7,662,868.43/3,453.69
6. Step 6: Final answer
   x = 2,218.75