Finding the Fourth Proportional to 1,758.53, 2,426.83 and 1,012.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.53 : 2,426.83 = 1,012.43 : x
2. Step 2: Convert to fraction form
   1,758.53/2,426.83 = 1,012.43/x
3. Step 3: Cross multiply
   1,758.53x = 2,426.83 × 1,012.43
4. Step 4: Simplify right side
   1,758.53x = 2,456,999.03
5. Step 5: Solve for x
   x = 2,456,999.03/1,758.53
6. Step 6: Final answer
   x = 1,397.19