Finding the Fourth Proportional to 1,958.94, 2,704.17 and 1,172.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,958.94 : 2,704.17 = 1,172.82 : x
2. Step 2: Convert to fraction form
   1,958.94/2,704.17 = 1,172.82/x
3. Step 3: Cross multiply
   1,958.94x = 2,704.17 × 1,172.82
4. Step 4: Simplify right side
   1,958.94x = 3,171,504.66
5. Step 5: Solve for x
   x = 3,171,504.66/1,958.94
6. Step 6: Final answer
   x = 1,618.99