Finding the Fourth Proportional to 2,406.45, 3,609.37 and 763.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.45 : 3,609.37 = 763.01 : x
2. Step 2: Convert to fraction form
   2,406.45/3,609.37 = 763.01/x
3. Step 3: Cross multiply
   2,406.45x = 3,609.37 × 763.01
4. Step 4: Simplify right side
   2,406.45x = 2,753,992.52
5. Step 5: Solve for x
   x = 2,753,992.52/2,406.45
6. Step 6: Final answer
   x = 1,144.42