Finding the Fourth Proportional to 10,435.26, 14,400.94 and 5,719.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.26 : 14,400.94 = 5,719.72 : x
2. Step 2: Convert to fraction form
   10,435.26/14,400.94 = 5,719.72/x
3. Step 3: Cross multiply
   10,435.26x = 14,400.94 × 5,719.72
4. Step 4: Simplify right side
   10,435.26x = 82,369,344.54
5. Step 5: Solve for x
   x = 82,369,344.54/10,435.26
6. Step 6: Final answer
   x = 7,893.37