Finding the Fourth Proportional to 2,412.99, 3,619.89 and 953.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.99 : 3,619.89 = 953.17 : x
2. Step 2: Convert to fraction form
   2,412.99/3,619.89 = 953.17/x
3. Step 3: Cross multiply
   2,412.99x = 3,619.89 × 953.17
4. Step 4: Simplify right side
   2,412.99x = 3,450,361.50
5. Step 5: Solve for x
   x = 3,450,361.50/2,412.99
6. Step 6: Final answer
   x = 1,429.91