Finding the Fourth Proportional to 10,426.22, 14,388.18 and 5,710.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.22 : 14,388.18 = 5,710.67 : x
2. Step 2: Convert to fraction form
   10,426.22/14,388.18 = 5,710.67/x
3. Step 3: Cross multiply
   10,426.22x = 14,388.18 × 5,710.67
4. Step 4: Simplify right side
   10,426.22x = 82,166,140.60
5. Step 5: Solve for x
   x = 82,166,140.60/10,426.22
6. Step 6: Final answer
   x = 7,880.72