Finding the Fourth Proportional to 6,875.37, 10,311.40 and 3,174.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,875.37 : 10,311.40 = 3,174.05 : x
2. Step 2: Convert to fraction form
   6,875.37/10,311.40 = 3,174.05/x
3. Step 3: Cross multiply
   6,875.37x = 10,311.40 × 3,174.05
4. Step 4: Simplify right side
   6,875.37x = 32,728,847.61
5. Step 5: Solve for x
   x = 32,728,847.61/6,875.37
6. Step 6: Final answer
   x = 4,760.30