Finding the Fourth Proportional to 2,056.62, 3,080.88 and 959.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.62 : 3,080.88 = 959.61 : x
2. Step 2: Convert to fraction form
   2,056.62/3,080.88 = 959.61/x
3. Step 3: Cross multiply
   2,056.62x = 3,080.88 × 959.61
4. Step 4: Simplify right side
   2,056.62x = 2,956,443.26
5. Step 5: Solve for x
   x = 2,956,443.26/2,056.62
6. Step 6: Final answer
   x = 1,437.53