Finding the Fourth Proportional to 1,759.74, 2,428.25 and 1,013.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,759.74 : 2,428.25 = 1,013.55 : x
2. Step 2: Convert to fraction form
   1,759.74/2,428.25 = 1,013.55/x
3. Step 3: Cross multiply
   1,759.74x = 2,428.25 × 1,013.55
4. Step 4: Simplify right side
   1,759.74x = 2,461,147.72
5. Step 5: Solve for x
   x = 2,461,147.72/1,759.74
6. Step 6: Final answer
   x = 1,398.59