Finding the Fourth Proportional to 10,434.22, 14,399.47 and 5,718.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434.22 : 14,399.47 = 5,718.53 : x
2. Step 2: Convert to fraction form
   10,434.22/14,399.47 = 5,718.53/x
3. Step 3: Cross multiply
   10,434.22x = 14,399.47 × 5,718.53
4. Step 4: Simplify right side
   10,434.22x = 82,343,844.33
5. Step 5: Solve for x
   x = 82,343,844.33/10,434.22
6. Step 6: Final answer
   x = 7,891.71