Finding the Fourth Proportional to 1,456.12, 2,172.92 and 1,300.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.12 : 2,172.92 = 1,300.37 : x
2. Step 2: Convert to fraction form
   1,456.12/2,172.92 = 1,300.37/x
3. Step 3: Cross multiply
   1,456.12x = 2,172.92 × 1,300.37
4. Step 4: Simplify right side
   1,456.12x = 2,825,599.98
5. Step 5: Solve for x
   x = 2,825,599.98/1,456.12
6. Step 6: Final answer
   x = 1,940.50