Finding the Fourth Proportional to 2,406.46, 3,610.23 and 763.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.46 : 3,610.23 = 763.12 : x
2. Step 2: Convert to fraction form
   2,406.46/3,610.23 = 763.12/x
3. Step 3: Cross multiply
   2,406.46x = 3,610.23 × 763.12
4. Step 4: Simplify right side
   2,406.46x = 2,755,038.72
5. Step 5: Solve for x
   x = 2,755,038.72/2,406.46
6. Step 6: Final answer
   x = 1,144.85