Finding the Fourth Proportional to 1,342.89, 1,853.16 and 745.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.89 : 1,853.16 = 745.44 : x
2. Step 2: Convert to fraction form
   1,342.89/1,853.16 = 745.44/x
3. Step 3: Cross multiply
   1,342.89x = 1,853.16 × 745.44
4. Step 4: Simplify right side
   1,342.89x = 1,381,419.59
5. Step 5: Solve for x
   x = 1,381,419.59/1,342.89
6. Step 6: Final answer
   x = 1,028.69