Finding the Fourth Proportional to 1,338.56, 1,847.40 and 749.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.56 : 1,847.40 = 749.24 : x
2. Step 2: Convert to fraction form
   1,338.56/1,847.40 = 749.24/x
3. Step 3: Cross multiply
   1,338.56x = 1,847.40 × 749.24
4. Step 4: Simplify right side
   1,338.56x = 1,384,145.98
5. Step 5: Solve for x
   x = 1,384,145.98/1,338.56
6. Step 6: Final answer
   x = 1,034.06