Finding the Fourth Proportional to 10,434.33, 14,399.30 and 5,718.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434.33 : 14,399.30 = 5,718.51 : x
2. Step 2: Convert to fraction form
   10,434.33/14,399.30 = 5,718.51/x
3. Step 3: Cross multiply
   10,434.33x = 14,399.30 × 5,718.51
4. Step 4: Simplify right side
   10,434.33x = 82,342,555.34
5. Step 5: Solve for x
   x = 82,342,555.34/10,434.33
6. Step 6: Final answer
   x = 7,891.50