Finding the Fourth Proportional to 2,406.84, 3,610.61 and 763.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.84 : 3,610.61 = 763.01 : x
2. Step 2: Convert to fraction form
   2,406.84/3,610.61 = 763.01/x
3. Step 3: Cross multiply
   2,406.84x = 3,610.61 × 763.01
4. Step 4: Simplify right side
   2,406.84x = 2,754,909.67
5. Step 5: Solve for x
   x = 2,754,909.67/2,406.84
6. Step 6: Final answer
   x = 1,144.62