Finding the Fourth Proportional to 6,875.62, 10,311.78 and 3,174.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,875.62 : 10,311.78 = 3,174.30 : x
2. Step 2: Convert to fraction form
   6,875.62/10,311.78 = 3,174.30/x
3. Step 3: Cross multiply
   6,875.62x = 10,311.78 × 3,174.30
4. Step 4: Simplify right side
   6,875.62x = 32,732,615.82
5. Step 5: Solve for x
   x = 32,732,615.82/6,875.62
6. Step 6: Final answer
   x = 4,760.68