Finding the Fourth Proportional to 3,574.56, 5,352.51 and 2,877.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,574.56 : 5,352.51 = 2,877.42 : x
2. Step 2: Convert to fraction form
   3,574.56/5,352.51 = 2,877.42/x
3. Step 3: Cross multiply
   3,574.56x = 5,352.51 × 2,877.42
4. Step 4: Simplify right side
   3,574.56x = 15,401,419.32
5. Step 5: Solve for x
   x = 15,401,419.32/3,574.56
6. Step 6: Final answer
   x = 4,308.62