Finding the Fourth Proportional to 1,919.01, 2,876.15 and 994.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919.01 : 2,876.15 = 994.04 : x
2. Step 2: Convert to fraction form
   1,919.01/2,876.15 = 994.04/x
3. Step 3: Cross multiply
   1,919.01x = 2,876.15 × 994.04
4. Step 4: Simplify right side
   1,919.01x = 2,859,007.04
5. Step 5: Solve for x
   x = 2,859,007.04/1,919.01
6. Step 6: Final answer
   x = 1,489.83