Finding the Fourth Proportional to 2,575.73, 3,878.72 and 1,850.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.73 : 3,878.72 = 1,850.38 : x
2. Step 2: Convert to fraction form
   2,575.73/3,878.72 = 1,850.38/x
3. Step 3: Cross multiply
   2,575.73x = 3,878.72 × 1,850.38
4. Step 4: Simplify right side
   2,575.73x = 7,177,093.90
5. Step 5: Solve for x
   x = 7,177,093.90/2,575.73
6. Step 6: Final answer
   x = 2,786.43