Finding the Fourth Proportional to 5,056.42, 6,978.59 and 2,960.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,056.42 : 6,978.59 = 2,960.59 : x
2. Step 2: Convert to fraction form
   5,056.42/6,978.59 = 2,960.59/x
3. Step 3: Cross multiply
   5,056.42x = 6,978.59 × 2,960.59
4. Step 4: Simplify right side
   5,056.42x = 20,660,743.77
5. Step 5: Solve for x
   x = 20,660,743.77/5,056.42
6. Step 6: Final answer
   x = 4,086.04