Finding the Fourth Proportional to 2,109.15, 2,889.49 and 2,030.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.15 : 2,889.49 = 2,030.27 : x
2. Step 2: Convert to fraction form
   2,109.15/2,889.49 = 2,030.27/x
3. Step 3: Cross multiply
   2,109.15x = 2,889.49 × 2,030.27
4. Step 4: Simplify right side
   2,109.15x = 5,866,447.01
5. Step 5: Solve for x
   x = 5,866,447.01/2,109.15
6. Step 6: Final answer
   x = 2,781.43