Finding the Fourth Proportional to 6,817.34, 10,216.25 and 5,424.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,817.34 : 10,216.25 = 5,424.40 : x
2. Step 2: Convert to fraction form
   6,817.34/10,216.25 = 5,424.40/x
3. Step 3: Cross multiply
   6,817.34x = 10,216.25 × 5,424.40
4. Step 4: Simplify right side
   6,817.34x = 55,417,026.50
5. Step 5: Solve for x
   x = 55,417,026.50/6,817.34
6. Step 6: Final answer
   x = 8,128.83