Finding the Fourth Proportional to 2,957.18, 4,081.59 and 1,962.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,957.18 : 4,081.59 = 1,962.50 : x
2. Step 2: Convert to fraction form
   2,957.18/4,081.59 = 1,962.50/x
3. Step 3: Cross multiply
   2,957.18x = 4,081.59 × 1,962.50
4. Step 4: Simplify right side
   2,957.18x = 8,010,099.97
5. Step 5: Solve for x
   x = 8,010,099.97/2,957.18
6. Step 6: Final answer
   x = 2,708.70