Finding the Fourth Proportional to 1,758.96, 2,427.47 and 1,012.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.96 : 2,427.47 = 1,012.91 : x
2. Step 2: Convert to fraction form
   1,758.96/2,427.47 = 1,012.91/x
3. Step 3: Cross multiply
   1,758.96x = 2,427.47 × 1,012.91
4. Step 4: Simplify right side
   1,758.96x = 2,458,799.03
5. Step 5: Solve for x
   x = 2,458,799.03/1,758.96
6. Step 6: Final answer
   x = 1,397.87