Finding the Fourth Proportional to 2,406.10, 3,609.06 and 762.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.10 : 3,609.06 = 762.62 : x
2. Step 2: Convert to fraction form
   2,406.10/3,609.06 = 762.62/x
3. Step 3: Cross multiply
   2,406.10x = 3,609.06 × 762.62
4. Step 4: Simplify right side
   2,406.10x = 2,752,341.34
5. Step 5: Solve for x
   x = 2,752,341.34/2,406.10
6. Step 6: Final answer
   x = 1,143.90