Finding the Fourth Proportional to 10,435.72, 14,401.29 and 5,719.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.72 : 14,401.29 = 5,719.99 : x
2. Step 2: Convert to fraction form
   10,435.72/14,401.29 = 5,719.99/x
3. Step 3: Cross multiply
   10,435.72x = 14,401.29 × 5,719.99
4. Step 4: Simplify right side
   10,435.72x = 82,375,234.79
5. Step 5: Solve for x
   x = 82,375,234.79/10,435.72
6. Step 6: Final answer
   x = 7,893.58