Finding the Fourth Proportional to 1,334.78, 1,841.95 and 745.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.78 : 1,841.95 = 745.30 : x
2. Step 2: Convert to fraction form
   1,334.78/1,841.95 = 745.30/x
3. Step 3: Cross multiply
   1,334.78x = 1,841.95 × 745.30
4. Step 4: Simplify right side
   1,334.78x = 1,372,805.34
5. Step 5: Solve for x
   x = 1,372,805.34/1,334.78
6. Step 6: Final answer
   x = 1,028.49