Finding the Fourth Proportional to 1,338.80, 1,847.56 and 749.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.80 : 1,847.56 = 749.32 : x
2. Step 2: Convert to fraction form
   1,338.80/1,847.56 = 749.32/x
3. Step 3: Cross multiply
   1,338.80x = 1,847.56 × 749.32
4. Step 4: Simplify right side
   1,338.80x = 1,384,413.66
5. Step 5: Solve for x
   x = 1,384,413.66/1,338.80
6. Step 6: Final answer
   x = 1,034.07