Finding the Fourth Proportional to 2,543.05, 3,509.25 and 1,480.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.05 : 3,509.25 = 1,480.78 : x
2. Step 2: Convert to fraction form
   2,543.05/3,509.25 = 1,480.78/x
3. Step 3: Cross multiply
   2,543.05x = 3,509.25 × 1,480.78
4. Step 4: Simplify right side
   2,543.05x = 5,196,427.22
5. Step 5: Solve for x
   x = 5,196,427.22/2,543.05
6. Step 6: Final answer
   x = 2,043.38