Finding the Fourth Proportional to 1,096.05, 1,512.43 and 765.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.05 : 1,512.43 = 765.19 : x
2. Step 2: Convert to fraction form
   1,096.05/1,512.43 = 765.19/x
3. Step 3: Cross multiply
   1,096.05x = 1,512.43 × 765.19
4. Step 4: Simplify right side
   1,096.05x = 1,157,296.31
5. Step 5: Solve for x
   x = 1,157,296.31/1,096.05
6. Step 6: Final answer
   x = 1,055.88