Finding the Fourth Proportional to 1,551.53, 2,141.15 and 843.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,551.53 : 2,141.15 = 843.42 : x
2. Step 2: Convert to fraction form
   1,551.53/2,141.15 = 843.42/x
3. Step 3: Cross multiply
   1,551.53x = 2,141.15 × 843.42
4. Step 4: Simplify right side
   1,551.53x = 1,805,885.56
5. Step 5: Solve for x
   x = 1,805,885.56/1,551.53
6. Step 6: Final answer
   x = 1,163.94