Finding the Fourth Proportional to 6,871.94, 10,306.71 and 3,173.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,871.94 : 10,306.71 = 3,173.86 : x
2. Step 2: Convert to fraction form
   6,871.94/10,306.71 = 3,173.86/x
3. Step 3: Cross multiply
   6,871.94x = 10,306.71 × 3,173.86
4. Step 4: Simplify right side
   6,871.94x = 32,712,054.60
5. Step 5: Solve for x
   x = 32,712,054.60/6,871.94
6. Step 6: Final answer
   x = 4,760.24