Finding the Fourth Proportional to 2,055.76, 3,084.66 and 959.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.76 : 3,084.66 = 959.98 : x
2. Step 2: Convert to fraction form
   2,055.76/3,084.66 = 959.98/x
3. Step 3: Cross multiply
   2,055.76x = 3,084.66 × 959.98
4. Step 4: Simplify right side
   2,055.76x = 2,961,211.91
5. Step 5: Solve for x
   x = 2,961,211.91/2,055.76
6. Step 6: Final answer
   x = 1,440.45