Finding the Fourth Proportional to 3,974.43, 5,484.56 and 2,181.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,974.43 : 5,484.56 = 2,181.95 : x
2. Step 2: Convert to fraction form
   3,974.43/5,484.56 = 2,181.95/x
3. Step 3: Cross multiply
   3,974.43x = 5,484.56 × 2,181.95
4. Step 4: Simplify right side
   3,974.43x = 11,967,035.69
5. Step 5: Solve for x
   x = 11,967,035.69/3,974.43
6. Step 6: Final answer
   x = 3,011.01