Finding the Fourth Proportional to 10,426.54, 14,388.66 and 5,710.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.54 : 14,388.66 = 5,710.82 : x
2. Step 2: Convert to fraction form
   10,426.54/14,388.66 = 5,710.82/x
3. Step 3: Cross multiply
   10,426.54x = 14,388.66 × 5,710.82
4. Step 4: Simplify right side
   10,426.54x = 82,171,047.30
5. Step 5: Solve for x
   x = 82,171,047.30/10,426.54
6. Step 6: Final answer
   x = 7,880.95