Finding the Fourth Proportional to 7,246.76, 10,856.31 and 3,906.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,246.76 : 10,856.31 = 3,906.72 : x
2. Step 2: Convert to fraction form
   7,246.76/10,856.31 = 3,906.72/x
3. Step 3: Cross multiply
   7,246.76x = 10,856.31 × 3,906.72
4. Step 4: Simplify right side
   7,246.76x = 42,412,563.40
5. Step 5: Solve for x
   x = 42,412,563.40/7,246.76
6. Step 6: Final answer
   x = 5,852.63