Finding the Fourth Proportional to 2,089.17, 2,883.90 and 1,426.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.17 : 2,883.90 = 1,426.71 : x
2. Step 2: Convert to fraction form
   2,089.17/2,883.90 = 1,426.71/x
3. Step 3: Cross multiply
   2,089.17x = 2,883.90 × 1,426.71
4. Step 4: Simplify right side
   2,089.17x = 4,114,488.97
5. Step 5: Solve for x
   x = 4,114,488.97/2,089.17
6. Step 6: Final answer
   x = 1,969.44