Finding the Fourth Proportional to 6,875.72, 10,313.28 and 3,176.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,875.72 : 10,313.28 = 3,176.72 : x
2. Step 2: Convert to fraction form
   6,875.72/10,313.28 = 3,176.72/x
3. Step 3: Cross multiply
   6,875.72x = 10,313.28 × 3,176.72
4. Step 4: Simplify right side
   6,875.72x = 32,762,402.84
5. Step 5: Solve for x
   x = 32,762,402.84/6,875.72
6. Step 6: Final answer
   x = 4,764.94