Finding the Fourth Proportional to 1,960.96, 2,708.50 and 1,429

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.96 : 2,708.50 = 1,429 : x
2. Step 2: Convert to fraction form
   1,960.96/2,708.50 = 1,429/x
3. Step 3: Cross multiply
   1,960.96x = 2,708.50 × 1,429
4. Step 4: Simplify right side
   1,960.96x = 3,870,446.50
5. Step 5: Solve for x
   x = 3,870,446.50/1,960.96
6. Step 6: Final answer
   x = 1,973.75