Finding the Fourth Proportional to 2,405.59, 3,608.50 and 762.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.59 : 3,608.50 = 762.26 : x
2. Step 2: Convert to fraction form
   2,405.59/3,608.50 = 762.26/x
3. Step 3: Cross multiply
   2,405.59x = 3,608.50 × 762.26
4. Step 4: Simplify right side
   2,405.59x = 2,750,616.39
5. Step 5: Solve for x
   x = 2,750,616.39/2,405.59
6. Step 6: Final answer
   x = 1,143.43