Finding the Fourth Proportional to 1,758.95, 2,427.59 and 1,012.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.95 : 2,427.59 = 1,012.89 : x
2. Step 2: Convert to fraction form
   1,758.95/2,427.59 = 1,012.89/x
3. Step 3: Cross multiply
   1,758.95x = 2,427.59 × 1,012.89
4. Step 4: Simplify right side
   1,758.95x = 2,458,873.92
5. Step 5: Solve for x
   x = 2,458,873.92/1,758.95
6. Step 6: Final answer
   x = 1,397.92