Finding the Fourth Proportional to 1,298.33, 1,791.82 and 738.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298.33 : 1,791.82 = 738.82 : x
2. Step 2: Convert to fraction form
   1,298.33/1,791.82 = 738.82/x
3. Step 3: Cross multiply
   1,298.33x = 1,791.82 × 738.82
4. Step 4: Simplify right side
   1,298.33x = 1,323,832.45
5. Step 5: Solve for x
   x = 1,323,832.45/1,298.33
6. Step 6: Final answer
   x = 1,019.64