Finding the Fourth Proportional to 2,712.46, 4,068.83 and 764.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,712.46 : 4,068.83 = 764.82 : x
2. Step 2: Convert to fraction form
   2,712.46/4,068.83 = 764.82/x
3. Step 3: Cross multiply
   2,712.46x = 4,068.83 × 764.82
4. Step 4: Simplify right side
   2,712.46x = 3,111,922.56
5. Step 5: Solve for x
   x = 3,111,922.56/2,712.46
6. Step 6: Final answer
   x = 1,147.27