Finding the Fourth Proportional to 1,443.84, 2,149.68 and 1,426.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.84 : 2,149.68 = 1,426.56 : x
2. Step 2: Convert to fraction form
   1,443.84/2,149.68 = 1,426.56/x
3. Step 3: Cross multiply
   1,443.84x = 2,149.68 × 1,426.56
4. Step 4: Simplify right side
   1,443.84x = 3,066,647.50
5. Step 5: Solve for x
   x = 3,066,647.50/1,443.84
6. Step 6: Final answer
   x = 2,123.95