Finding the Fourth Proportional to 1,919.25, 2,649.02 and 1,173.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919.25 : 2,649.02 = 1,173.83 : x
2. Step 2: Convert to fraction form
   1,919.25/2,649.02 = 1,173.83/x
3. Step 3: Cross multiply
   1,919.25x = 2,649.02 × 1,173.83
4. Step 4: Simplify right side
   1,919.25x = 3,109,480.03
5. Step 5: Solve for x
   x = 3,109,480.03/1,919.25
6. Step 6: Final answer
   x = 1,620.15