Finding the Fourth Proportional to 1,919.94, 2,649.33 and 1,133.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919.94 : 2,649.33 = 1,133.88 : x
2. Step 2: Convert to fraction form
   1,919.94/2,649.33 = 1,133.88/x
3. Step 3: Cross multiply
   1,919.94x = 2,649.33 × 1,133.88
4. Step 4: Simplify right side
   1,919.94x = 3,004,022.30
5. Step 5: Solve for x
   x = 3,004,022.30/1,919.94
6. Step 6: Final answer
   x = 1,564.64