Finding the Fourth Proportional to 10,817.70, 16,226.72 and 3,422.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,817.70 : 16,226.72 = 3,422.22 : x
2. Step 2: Convert to fraction form
   10,817.70/16,226.72 = 3,422.22/x
3. Step 3: Cross multiply
   10,817.70x = 16,226.72 × 3,422.22
4. Step 4: Simplify right side
   10,817.70x = 55,531,388.61
5. Step 5: Solve for x
   x = 55,531,388.61/10,817.70
6. Step 6: Final answer
   x = 5,133.38