Finding the Fourth Proportional to 3,427.72, 5,141.88 and 962.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,427.72 : 5,141.88 = 962.56 : x
2. Step 2: Convert to fraction form
   3,427.72/5,141.88 = 962.56/x
3. Step 3: Cross multiply
   3,427.72x = 5,141.88 × 962.56
4. Step 4: Simplify right side
   3,427.72x = 4,949,368.01
5. Step 5: Solve for x
   x = 4,949,368.01/3,427.72
6. Step 6: Final answer
   x = 1,443.92