Finding the Fourth Proportional to 2,933.82, 4,049.31 and 1,815.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.82 : 4,049.31 = 1,815.78 : x
2. Step 2: Convert to fraction form
   2,933.82/4,049.31 = 1,815.78/x
3. Step 3: Cross multiply
   2,933.82x = 4,049.31 × 1,815.78
4. Step 4: Simplify right side
   2,933.82x = 7,352,656.11
5. Step 5: Solve for x
   x = 7,352,656.11/2,933.82
6. Step 6: Final answer
   x = 2,506.17