Finding the Fourth Proportional to 1,338.71, 1,847.43 and 749.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.71 : 1,847.43 = 749.36 : x
2. Step 2: Convert to fraction form
   1,338.71/1,847.43 = 749.36/x
3. Step 3: Cross multiply
   1,338.71x = 1,847.43 × 749.36
4. Step 4: Simplify right side
   1,338.71x = 1,384,399.47
5. Step 5: Solve for x
   x = 1,384,399.47/1,338.71
6. Step 6: Final answer
   x = 1,034.13