Finding the Fourth Proportional to 1,172.48, 1,760.00 and 863.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172.48 : 1,760.00 = 863.37 : x
2. Step 2: Convert to fraction form
   1,172.48/1,760.00 = 863.37/x
3. Step 3: Cross multiply
   1,172.48x = 1,760.00 × 863.37
4. Step 4: Simplify right side
   1,172.48x = 1,519,526.88
5. Step 5: Solve for x
   x = 1,519,526.88/1,172.48
6. Step 6: Final answer
   x = 1,296.00