Finding the Fourth Proportional to 2,447.89, 3,678.62 and 2,434.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.89 : 3,678.62 = 2,434.42 : x
2. Step 2: Convert to fraction form
   2,447.89/3,678.62 = 2,434.42/x
3. Step 3: Cross multiply
   2,447.89x = 3,678.62 × 2,434.42
4. Step 4: Simplify right side
   2,447.89x = 8,955,298.53
5. Step 5: Solve for x
   x = 8,955,298.53/2,447.89
6. Step 6: Final answer
   x = 3,658.38