Finding the Fourth Proportional to 1,758.58, 2,426.83 and 1,012.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.58 : 2,426.83 = 1,012.26 : x
2. Step 2: Convert to fraction form
   1,758.58/2,426.83 = 1,012.26/x
3. Step 3: Cross multiply
   1,758.58x = 2,426.83 × 1,012.26
4. Step 4: Simplify right side
   1,758.58x = 2,456,593.30
5. Step 5: Solve for x
   x = 2,456,593.30/1,758.58
6. Step 6: Final answer
   x = 1,396.92