Finding the Fourth Proportional to 1,758.48, 2,426.76 and 1,012.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.48 : 2,426.76 = 1,012.68 : x
2. Step 2: Convert to fraction form
   1,758.48/2,426.76 = 1,012.68/x
3. Step 3: Cross multiply
   1,758.48x = 2,426.76 × 1,012.68
4. Step 4: Simplify right side
   1,758.48x = 2,457,531.32
5. Step 5: Solve for x
   x = 2,457,531.32/1,758.48
6. Step 6: Final answer
   x = 1,397.53