Finding the Fourth Proportional to 2,938.47, 4,053.56 and 1,819.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,938.47 : 4,053.56 = 1,819.05 : x
2. Step 2: Convert to fraction form
   2,938.47/4,053.56 = 1,819.05/x
3. Step 3: Cross multiply
   2,938.47x = 4,053.56 × 1,819.05
4. Step 4: Simplify right side
   2,938.47x = 7,373,619.22
5. Step 5: Solve for x
   x = 7,373,619.22/2,938.47
6. Step 6: Final answer
   x = 2,509.34