Finding the Fourth Proportional to 1,426.97, 1,969.26 and 1,190.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.97 : 1,969.26 = 1,190.52 : x
2. Step 2: Convert to fraction form
   1,426.97/1,969.26 = 1,190.52/x
3. Step 3: Cross multiply
   1,426.97x = 1,969.26 × 1,190.52
4. Step 4: Simplify right side
   1,426.97x = 2,344,443.42
5. Step 5: Solve for x
   x = 2,344,443.42/1,426.97
6. Step 6: Final answer
   x = 1,642.96