Finding the Fourth Proportional to 2,062.86, 3,096.45 and 764.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,062.86 : 3,096.45 = 764.70 : x
2. Step 2: Convert to fraction form
   2,062.86/3,096.45 = 764.70/x
3. Step 3: Cross multiply
   2,062.86x = 3,096.45 × 764.70
4. Step 4: Simplify right side
   2,062.86x = 2,367,855.32
5. Step 5: Solve for x
   x = 2,367,855.32/2,062.86
6. Step 6: Final answer
   x = 1,147.85