Finding the Fourth Proportional to 2,065.45, 3,096.73 and 766.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.45 : 3,096.73 = 766.57 : x
2. Step 2: Convert to fraction form
   2,065.45/3,096.73 = 766.57/x
3. Step 3: Cross multiply
   2,065.45x = 3,096.73 × 766.57
4. Step 4: Simplify right side
   2,065.45x = 2,373,841.00
5. Step 5: Solve for x
   x = 2,373,841.00/2,065.45
6. Step 6: Final answer
   x = 1,149.31