Finding the Fourth Proportional to 2,499.78, 3,464.30 and 2,464.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.78 : 3,464.30 = 2,464.55 : x
2. Step 2: Convert to fraction form
   2,499.78/3,464.30 = 2,464.55/x
3. Step 3: Cross multiply
   2,499.78x = 3,464.30 × 2,464.55
4. Step 4: Simplify right side
   2,499.78x = 8,537,910.92
5. Step 5: Solve for x
   x = 8,537,910.92/2,499.78
6. Step 6: Final answer
   x = 3,415.46