Finding the Fourth Proportional to 2,712.69, 4,069.16 and 1,152.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,712.69 : 4,069.16 = 1,152.47 : x
2. Step 2: Convert to fraction form
   2,712.69/4,069.16 = 1,152.47/x
3. Step 3: Cross multiply
   2,712.69x = 4,069.16 × 1,152.47
4. Step 4: Simplify right side
   2,712.69x = 4,689,584.83
5. Step 5: Solve for x
   x = 4,689,584.83/2,712.69
6. Step 6: Final answer
   x = 1,728.76