Finding the Fourth Proportional to 2,306.45, 3,181.83 and 1,361.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.45 : 3,181.83 = 1,361.95 : x
2. Step 2: Convert to fraction form
   2,306.45/3,181.83 = 1,361.95/x
3. Step 3: Cross multiply
   2,306.45x = 3,181.83 × 1,361.95
4. Step 4: Simplify right side
   2,306.45x = 4,333,493.37
5. Step 5: Solve for x
   x = 4,333,493.37/2,306.45
6. Step 6: Final answer
   x = 1,878.86