Finding the Fourth Proportional to 1,919.43, 2,647.89 and 1,844.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919.43 : 2,647.89 = 1,844.91 : x
2. Step 2: Convert to fraction form
   1,919.43/2,647.89 = 1,844.91/x
3. Step 3: Cross multiply
   1,919.43x = 2,647.89 × 1,844.91
4. Step 4: Simplify right side
   1,919.43x = 4,885,118.74
5. Step 5: Solve for x
   x = 4,885,118.74/1,919.43
6. Step 6: Final answer
   x = 2,545.09