Finding the Fourth Proportional to 2,826.66, 4,216.02 and 2,458.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,826.66 : 4,216.02 = 2,458.56 : x
2. Step 2: Convert to fraction form
   2,826.66/4,216.02 = 2,458.56/x
3. Step 3: Cross multiply
   2,826.66x = 4,216.02 × 2,458.56
4. Step 4: Simplify right side
   2,826.66x = 10,365,338.13
5. Step 5: Solve for x
   x = 10,365,338.13/2,826.66
6. Step 6: Final answer
   x = 3,666.99