Finding the Fourth Proportional to 10,435.10, 14,399.78 and 5,719.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.10 : 14,399.78 = 5,719.41 : x
2. Step 2: Convert to fraction form
   10,435.10/14,399.78 = 5,719.41/x
3. Step 3: Cross multiply
   10,435.10x = 14,399.78 × 5,719.41
4. Step 4: Simplify right side
   10,435.10x = 82,358,217.13
5. Step 5: Solve for x
   x = 82,358,217.13/10,435.10
6. Step 6: Final answer
   x = 7,892.43