Finding the Fourth Proportional to 1,617.98, 2,233.24 and 955.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617.98 : 2,233.24 = 955.06 : x
2. Step 2: Convert to fraction form
   1,617.98/2,233.24 = 955.06/x
3. Step 3: Cross multiply
   1,617.98x = 2,233.24 × 955.06
4. Step 4: Simplify right side
   1,617.98x = 2,132,870.22
5. Step 5: Solve for x
   x = 2,132,870.22/1,617.98
6. Step 6: Final answer
   x = 1,318.23