Finding the Fourth Proportional to 1,322.92, 1,825.72 and 763.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322.92 : 1,825.72 = 763.48 : x
2. Step 2: Convert to fraction form
   1,322.92/1,825.72 = 763.48/x
3. Step 3: Cross multiply
   1,322.92x = 1,825.72 × 763.48
4. Step 4: Simplify right side
   1,322.92x = 1,393,900.71
5. Step 5: Solve for x
   x = 1,393,900.71/1,322.92
6. Step 6: Final answer
   x = 1,053.65