Finding the Fourth Proportional to 1,849.64, 2,550.82 and 1,219.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,849.64 : 2,550.82 = 1,219.64 : x
2. Step 2: Convert to fraction form
   1,849.64/2,550.82 = 1,219.64/x
3. Step 3: Cross multiply
   1,849.64x = 2,550.82 × 1,219.64
4. Step 4: Simplify right side
   1,849.64x = 3,111,082.10
5. Step 5: Solve for x
   x = 3,111,082.10/1,849.64
6. Step 6: Final answer
   x = 1,681.99