Finding the Fourth Proportional to 1,338.07, 1,846.57 and 748.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.07 : 1,846.57 = 748.60 : x
2. Step 2: Convert to fraction form
   1,338.07/1,846.57 = 748.60/x
3. Step 3: Cross multiply
   1,338.07x = 1,846.57 × 748.60
4. Step 4: Simplify right side
   1,338.07x = 1,382,342.30
5. Step 5: Solve for x
   x = 1,382,342.30/1,338.07
6. Step 6: Final answer
   x = 1,033.09