Finding the Fourth Proportional to 10,426.45, 14,388.69 and 5,710.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.45 : 14,388.69 = 5,710.43 : x
2. Step 2: Convert to fraction form
   10,426.45/14,388.69 = 5,710.43/x
3. Step 3: Cross multiply
   10,426.45x = 14,388.69 × 5,710.43
4. Step 4: Simplify right side
   10,426.45x = 82,165,506.54
5. Step 5: Solve for x
   x = 82,165,506.54/10,426.45
6. Step 6: Final answer
   x = 7,880.49