Finding the Fourth Proportional to 2,456.30, 3,679.05 and 2,132.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.30 : 3,679.05 = 2,132.30 : x
2. Step 2: Convert to fraction form
   2,456.30/3,679.05 = 2,132.30/x
3. Step 3: Cross multiply
   2,456.30x = 3,679.05 × 2,132.30
4. Step 4: Simplify right side
   2,456.30x = 7,844,838.32
5. Step 5: Solve for x
   x = 7,844,838.32/2,456.30
6. Step 6: Final answer
   x = 3,193.76