Finding the Fourth Proportional to 2,756.27, 4,112.05 and 2,530.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,756.27 : 4,112.05 = 2,530.48 : x
2. Step 2: Convert to fraction form
   2,756.27/4,112.05 = 2,530.48/x
3. Step 3: Cross multiply
   2,756.27x = 4,112.05 × 2,530.48
4. Step 4: Simplify right side
   2,756.27x = 10,405,460.28
5. Step 5: Solve for x
   x = 10,405,460.28/2,756.27
6. Step 6: Final answer
   x = 3,775.20