Finding the Fourth Proportional to 2,323.89, 3,486.04 and 763.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.89 : 3,486.04 = 763.42 : x
2. Step 2: Convert to fraction form
   2,323.89/3,486.04 = 763.42/x
3. Step 3: Cross multiply
   2,323.89x = 3,486.04 × 763.42
4. Step 4: Simplify right side
   2,323.89x = 2,661,308.84
5. Step 5: Solve for x
   x = 2,661,308.84/2,323.89
6. Step 6: Final answer
   x = 1,145.20