Finding the Fourth Proportional to 10,434.76, 14,399.98 and 5,718.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434.76 : 14,399.98 = 5,718.94 : x
2. Step 2: Convert to fraction form
   10,434.76/14,399.98 = 5,718.94/x
3. Step 3: Cross multiply
   10,434.76x = 14,399.98 × 5,718.94
4. Step 4: Simplify right side
   10,434.76x = 82,352,621.62
5. Step 5: Solve for x
   x = 82,352,621.62/10,434.76
6. Step 6: Final answer
   x = 7,892.14