Finding the Fourth Proportional to 1,342.55, 1,852.73 and 745.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.55 : 1,852.73 = 745.05 : x
2. Step 2: Convert to fraction form
   1,342.55/1,852.73 = 745.05/x
3. Step 3: Cross multiply
   1,342.55x = 1,852.73 × 745.05
4. Step 4: Simplify right side
   1,342.55x = 1,380,386.69
5. Step 5: Solve for x
   x = 1,380,386.69/1,342.55
6. Step 6: Final answer
   x = 1,028.18