Finding the Fourth Proportional to 10,822.68, 16,226.46 and 4,976.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,822.68 : 16,226.46 = 4,976.10 : x
2. Step 2: Convert to fraction form
   10,822.68/16,226.46 = 4,976.10/x
3. Step 3: Cross multiply
   10,822.68x = 16,226.46 × 4,976.10
4. Step 4: Simplify right side
   10,822.68x = 80,744,487.61
5. Step 5: Solve for x
   x = 80,744,487.61/10,822.68
6. Step 6: Final answer
   x = 7,460.67