Finding the Fourth Proportional to 10,426.94, 14,389.52 and 5,711.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.94 : 14,389.52 = 5,711.52 : x
2. Step 2: Convert to fraction form
   10,426.94/14,389.52 = 5,711.52/x
3. Step 3: Cross multiply
   10,426.94x = 14,389.52 × 5,711.52
4. Step 4: Simplify right side
   10,426.94x = 82,186,031.27
5. Step 5: Solve for x
   x = 82,186,031.27/10,426.94
6. Step 6: Final answer
   x = 7,882.09