Finding the Fourth Proportional to 2,044.35, 2,824.61 and 1,921.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,044.35 : 2,824.61 = 1,921.05 : x
2. Step 2: Convert to fraction form
   2,044.35/2,824.61 = 1,921.05/x
3. Step 3: Cross multiply
   2,044.35x = 2,824.61 × 1,921.05
4. Step 4: Simplify right side
   2,044.35x = 5,426,207.44
5. Step 5: Solve for x
   x = 5,426,207.44/2,044.35
6. Step 6: Final answer
   x = 2,654.25