Finding the Fourth Proportional to 3,428.18, 5,141.37 and 962.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,428.18 : 5,141.37 = 962.42 : x
2. Step 2: Convert to fraction form
   3,428.18/5,141.37 = 962.42/x
3. Step 3: Cross multiply
   3,428.18x = 5,141.37 × 962.42
4. Step 4: Simplify right side
   3,428.18x = 4,948,157.32
5. Step 5: Solve for x
   x = 4,948,157.32/3,428.18
6. Step 6: Final answer
   x = 1,443.38