Finding the Fourth Proportional to 1,148.39, 1,728.83 and 1,046.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,148.39 : 1,728.83 = 1,046.33 : x
2. Step 2: Convert to fraction form
   1,148.39/1,728.83 = 1,046.33/x
3. Step 3: Cross multiply
   1,148.39x = 1,728.83 × 1,046.33
4. Step 4: Simplify right side
   1,148.39x = 1,808,926.69
5. Step 5: Solve for x
   x = 1,808,926.69/1,148.39
6. Step 6: Final answer
   x = 1,575.18