Finding the Fourth Proportional to 2,410.18, 3,616.71 and 1,678.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.18 : 3,616.71 = 1,678.30 : x
2. Step 2: Convert to fraction form
   2,410.18/3,616.71 = 1,678.30/x
3. Step 3: Cross multiply
   2,410.18x = 3,616.71 × 1,678.30
4. Step 4: Simplify right side
   2,410.18x = 6,069,924.39
5. Step 5: Solve for x
   x = 6,069,924.39/2,410.18
6. Step 6: Final answer
   x = 2,518.45