Finding the Fourth Proportional to 1,664.62, 2,296.83 and 956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664.62 : 2,296.83 = 956.50 : x
2. Step 2: Convert to fraction form
   1,664.62/2,296.83 = 956.50/x
3. Step 3: Cross multiply
   1,664.62x = 2,296.83 × 956.50
4. Step 4: Simplify right side
   1,664.62x = 2,196,917.90
5. Step 5: Solve for x
   x = 2,196,917.90/1,664.62
6. Step 6: Final answer
   x = 1,319.77