Finding the Fourth Proportional to 2,089.26, 2,881.98 and 1,425.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.26 : 2,881.98 = 1,425.78 : x
2. Step 2: Convert to fraction form
   2,089.26/2,881.98 = 1,425.78/x
3. Step 3: Cross multiply
   2,089.26x = 2,881.98 × 1,425.78
4. Step 4: Simplify right side
   2,089.26x = 4,109,069.44
5. Step 5: Solve for x
   x = 4,109,069.44/2,089.26
6. Step 6: Final answer
   x = 1,966.76