Finding the Fourth Proportional to 1,338.99, 1,847.81 and 749.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.99 : 1,847.81 = 749.49 : x
2. Step 2: Convert to fraction form
   1,338.99/1,847.81 = 749.49/x
3. Step 3: Cross multiply
   1,338.99x = 1,847.81 × 749.49
4. Step 4: Simplify right side
   1,338.99x = 1,384,911.37
5. Step 5: Solve for x
   x = 1,384,911.37/1,338.99
6. Step 6: Final answer
   x = 1,034.30