Finding the Fourth Proportional to 2,406.94, 3,610.51 and 763.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.94 : 3,610.51 = 763.45 : x
2. Step 2: Convert to fraction form
   2,406.94/3,610.51 = 763.45/x
3. Step 3: Cross multiply
   2,406.94x = 3,610.51 × 763.45
4. Step 4: Simplify right side
   2,406.94x = 2,756,443.86
5. Step 5: Solve for x
   x = 2,756,443.86/2,406.94
6. Step 6: Final answer
   x = 1,145.21