Finding the Fourth Proportional to 2,712.79, 4,068.37 and 1,152.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,712.79 : 4,068.37 = 1,152.78 : x
2. Step 2: Convert to fraction form
   2,712.79/4,068.37 = 1,152.78/x
3. Step 3: Cross multiply
   2,712.79x = 4,068.37 × 1,152.78
4. Step 4: Simplify right side
   2,712.79x = 4,689,921.75
5. Step 5: Solve for x
   x = 4,689,921.75/2,712.79
6. Step 6: Final answer
   x = 1,728.82