Finding the Fourth Proportional to 1,338.93, 1,847.61 and 749.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.93 : 1,847.61 = 749.43 : x
2. Step 2: Convert to fraction form
   1,338.93/1,847.61 = 749.43/x
3. Step 3: Cross multiply
   1,338.93x = 1,847.61 × 749.43
4. Step 4: Simplify right side
   1,338.93x = 1,384,654.36
5. Step 5: Solve for x
   x = 1,384,654.36/1,338.93
6. Step 6: Final answer
   x = 1,034.15