Finding the Fourth Proportional to 2,714.52, 4,071.96 and 959.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,714.52 : 4,071.96 = 959.76 : x
2. Step 2: Convert to fraction form
   2,714.52/4,071.96 = 959.76/x
3. Step 3: Cross multiply
   2,714.52x = 4,071.96 × 959.76
4. Step 4: Simplify right side
   2,714.52x = 3,908,104.33
5. Step 5: Solve for x
   x = 3,908,104.33/2,714.52
6. Step 6: Final answer
   x = 1,439.70