Finding the Fourth Proportional to 2,960.01, 4,081.59 and 2,015.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.01 : 4,081.59 = 2,015.96 : x
2. Step 2: Convert to fraction form
   2,960.01/4,081.59 = 2,015.96/x
3. Step 3: Cross multiply
   2,960.01x = 4,081.59 × 2,015.96
4. Step 4: Simplify right side
   2,960.01x = 8,228,301.77
5. Step 5: Solve for x
   x = 8,228,301.77/2,960.01
6. Step 6: Final answer
   x = 2,779.82