Finding the Fourth Proportional to 3,774.13, 5,662.78 and 1,899.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,774.13 : 5,662.78 = 1,899.02 : x
2. Step 2: Convert to fraction form
   3,774.13/5,662.78 = 1,899.02/x
3. Step 3: Cross multiply
   3,774.13x = 5,662.78 × 1,899.02
4. Step 4: Simplify right side
   3,774.13x = 10,753,741.88
5. Step 5: Solve for x
   x = 10,753,741.88/3,774.13
6. Step 6: Final answer
   x = 2,849.33