Finding the Fourth Proportional to 2,323.58, 3,485.39 and 763.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.58 : 3,485.39 = 763.56 : x
2. Step 2: Convert to fraction form
   2,323.58/3,485.39 = 763.56/x
3. Step 3: Cross multiply
   2,323.58x = 3,485.39 × 763.56
4. Step 4: Simplify right side
   2,323.58x = 2,661,300.57
5. Step 5: Solve for x
   x = 2,661,300.57/2,323.58
6. Step 6: Final answer
   x = 1,145.35