Finding the Fourth Proportional to 1,976.37, 2,958.12 and 1,456.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.37 : 2,958.12 = 1,456.16 : x
2. Step 2: Convert to fraction form
   1,976.37/2,958.12 = 1,456.16/x
3. Step 3: Cross multiply
   1,976.37x = 2,958.12 × 1,456.16
4. Step 4: Simplify right side
   1,976.37x = 4,307,503.41
5. Step 5: Solve for x
   x = 4,307,503.41/1,976.37
6. Step 6: Final answer
   x = 2,179.50