Finding the Fourth Proportional to 1,338.28, 1,846.88 and 748.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.28 : 1,846.88 = 748.81 : x
2. Step 2: Convert to fraction form
   1,338.28/1,846.88 = 748.81/x
3. Step 3: Cross multiply
   1,338.28x = 1,846.88 × 748.81
4. Step 4: Simplify right side
   1,338.28x = 1,382,956.00
5. Step 5: Solve for x
   x = 1,382,956.00/1,338.28
6. Step 6: Final answer
   x = 1,033.38