Finding the Fourth Proportional to 1,656.82, 2,286.75 and 958.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,656.82 : 2,286.75 = 958.42 : x
2. Step 2: Convert to fraction form
   1,656.82/2,286.75 = 958.42/x
3. Step 3: Cross multiply
   1,656.82x = 2,286.75 × 958.42
4. Step 4: Simplify right side
   1,656.82x = 2,191,666.94
5. Step 5: Solve for x
   x = 2,191,666.94/1,656.82
6. Step 6: Final answer
   x = 1,322.82