Finding the Fourth Proportional to 2,764.52, 4,146.86 and 712.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.52 : 4,146.86 = 712.52 : x
2. Step 2: Convert to fraction form
   2,764.52/4,146.86 = 712.52/x
3. Step 3: Cross multiply
   2,764.52x = 4,146.86 × 712.52
4. Step 4: Simplify right side
   2,764.52x = 2,954,720.69
5. Step 5: Solve for x
   x = 2,954,720.69/2,764.52
6. Step 6: Final answer
   x = 1,068.80