Finding the Fourth Proportional to 3,431.02, 5,148.50 and 1,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431.02 : 5,148.50 = 1,456.50 : x
2. Step 2: Convert to fraction form
   3,431.02/5,148.50 = 1,456.50/x
3. Step 3: Cross multiply
   3,431.02x = 5,148.50 × 1,456.50
4. Step 4: Simplify right side
   3,431.02x = 7,498,790.25
5. Step 5: Solve for x
   x = 7,498,790.25/3,431.02
6. Step 6: Final answer
   x = 2,185.59