Finding the Fourth Proportional to 6,869.94, 10,303.72 and 3,171.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,869.94 : 10,303.72 = 3,171.86 : x
2. Step 2: Convert to fraction form
   6,869.94/10,303.72 = 3,171.86/x
3. Step 3: Cross multiply
   6,869.94x = 10,303.72 × 3,171.86
4. Step 4: Simplify right side
   6,869.94x = 32,681,889.94
5. Step 5: Solve for x
   x = 32,681,889.94/6,869.94
6. Step 6: Final answer
   x = 4,757.23