Finding the Fourth Proportional to 3,801.12, 5,697.72 and 1,850.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,801.12 : 5,697.72 = 1,850.64 : x
2. Step 2: Convert to fraction form
   3,801.12/5,697.72 = 1,850.64/x
3. Step 3: Cross multiply
   3,801.12x = 5,697.72 × 1,850.64
4. Step 4: Simplify right side
   3,801.12x = 10,544,428.54
5. Step 5: Solve for x
   x = 10,544,428.54/3,801.12
6. Step 6: Final answer
   x = 2,774.03