Finding the Fourth Proportional to 1,758.30, 2,426.55 and 1,012.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.30 : 2,426.55 = 1,012.37 : x
2. Step 2: Convert to fraction form
   1,758.30/2,426.55 = 1,012.37/x
3. Step 3: Cross multiply
   1,758.30x = 2,426.55 × 1,012.37
4. Step 4: Simplify right side
   1,758.30x = 2,456,566.42
5. Step 5: Solve for x
   x = 2,456,566.42/1,758.30
6. Step 6: Final answer
   x = 1,397.13