Finding the Fourth Proportional to 1,298.08, 1,791.27 and 738.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298.08 : 1,791.27 = 738.54 : x
2. Step 2: Convert to fraction form
   1,298.08/1,791.27 = 738.54/x
3. Step 3: Cross multiply
   1,298.08x = 1,791.27 × 738.54
4. Step 4: Simplify right side
   1,298.08x = 1,322,924.55
5. Step 5: Solve for x
   x = 1,322,924.55/1,298.08
6. Step 6: Final answer
   x = 1,019.14