Finding the Fourth Proportional to 2,960.82, 4,422.59 and 2,173.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,960.82 : 4,422.59 = 2,173.86 : x
2. Step 2: Convert to fraction form
   2,960.82/4,422.59 = 2,173.86/x
3. Step 3: Cross multiply
   2,960.82x = 4,422.59 × 2,173.86
4. Step 4: Simplify right side
   2,960.82x = 9,614,091.50
5. Step 5: Solve for x
   x = 9,614,091.50/2,960.82
6. Step 6: Final answer
   x = 3,247.10