Finding the Fourth Proportional to 1,076.36, 1,483.79 and 760.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.36 : 1,483.79 = 760.59 : x
2. Step 2: Convert to fraction form
   1,076.36/1,483.79 = 760.59/x
3. Step 3: Cross multiply
   1,076.36x = 1,483.79 × 760.59
4. Step 4: Simplify right side
   1,076.36x = 1,128,552.03
5. Step 5: Solve for x
   x = 1,128,552.03/1,076.36
6. Step 6: Final answer
   x = 1,048.49