Finding the Fourth Proportional to 2,436.40, 3,361.72 and 1,551.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,436.40 : 3,361.72 = 1,551.84 : x
2. Step 2: Convert to fraction form
   2,436.40/3,361.72 = 1,551.84/x
3. Step 3: Cross multiply
   2,436.40x = 3,361.72 × 1,551.84
4. Step 4: Simplify right side
   2,436.40x = 5,216,851.56
5. Step 5: Solve for x
   x = 5,216,851.56/2,436.40
6. Step 6: Final answer
   x = 2,141.21