Finding the Fourth Proportional to 10,426.46, 14,388.04 and 5,710.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.46 : 14,388.04 = 5,710.64 : x
2. Step 2: Convert to fraction form
   10,426.46/14,388.04 = 5,710.64/x
3. Step 3: Cross multiply
   10,426.46x = 14,388.04 × 5,710.64
4. Step 4: Simplify right side
   10,426.46x = 82,164,916.75
5. Step 5: Solve for x
   x = 82,164,916.75/10,426.46
6. Step 6: Final answer
   x = 7,880.42