Finding the Fourth Proportional to 2,478.38, 3,419.55 and 1,483.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.38 : 3,419.55 = 1,483.47 : x
2. Step 2: Convert to fraction form
   2,478.38/3,419.55 = 1,483.47/x
3. Step 3: Cross multiply
   2,478.38x = 3,419.55 × 1,483.47
4. Step 4: Simplify right side
   2,478.38x = 5,072,799.84
5. Step 5: Solve for x
   x = 5,072,799.84/2,478.38
6. Step 6: Final answer
   x = 2,046.82