Finding the Fourth Proportional to 2,459.18, 3,690.39 and 1,976.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.18 : 3,690.39 = 1,976.42 : x
2. Step 2: Convert to fraction form
   2,459.18/3,690.39 = 1,976.42/x
3. Step 3: Cross multiply
   2,459.18x = 3,690.39 × 1,976.42
4. Step 4: Simplify right side
   2,459.18x = 7,293,760.60
5. Step 5: Solve for x
   x = 7,293,760.60/2,459.18
6. Step 6: Final answer
   x = 2,965.93