Finding the Fourth Proportional to 1,374.89, 1,897.36 and 745.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.89 : 1,897.36 = 745.42 : x
2. Step 2: Convert to fraction form
   1,374.89/1,897.36 = 745.42/x
3. Step 3: Cross multiply
   1,374.89x = 1,897.36 × 745.42
4. Step 4: Simplify right side
   1,374.89x = 1,414,325.64
5. Step 5: Solve for x
   x = 1,414,325.64/1,374.89
6. Step 6: Final answer
   x = 1,028.68