Finding the Fourth Proportional to 1,365.30, 2,048.25 and 748.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.30 : 2,048.25 = 748.69 : x
2. Step 2: Convert to fraction form
   1,365.30/2,048.25 = 748.69/x
3. Step 3: Cross multiply
   1,365.30x = 2,048.25 × 748.69
4. Step 4: Simplify right side
   1,365.30x = 1,533,504.29
5. Step 5: Solve for x
   x = 1,533,504.29/1,365.30
6. Step 6: Final answer
   x = 1,123.20