Finding the Fourth Proportional to 1,335.72, 1,844.33 and 1,040.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335.72 : 1,844.33 = 1,040.48 : x
2. Step 2: Convert to fraction form
   1,335.72/1,844.33 = 1,040.48/x
3. Step 3: Cross multiply
   1,335.72x = 1,844.33 × 1,040.48
4. Step 4: Simplify right side
   1,335.72x = 1,918,980.97
5. Step 5: Solve for x
   x = 1,918,980.97/1,335.72
6. Step 6: Final answer
   x = 1,436.66