Finding the Fourth Proportional to 2,406.67, 3,609.69 and 763.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.67 : 3,609.69 = 763.23 : x
2. Step 2: Convert to fraction form
   2,406.67/3,609.69 = 763.23/x
3. Step 3: Cross multiply
   2,406.67x = 3,609.69 × 763.23
4. Step 4: Simplify right side
   2,406.67x = 2,755,023.70
5. Step 5: Solve for x
   x = 2,755,023.70/2,406.67
6. Step 6: Final answer
   x = 1,144.75