Finding the Fourth Proportional to 10,435.91, 14,401.53 and 5,720.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.91 : 14,401.53 = 5,720.22 : x
2. Step 2: Convert to fraction form
   10,435.91/14,401.53 = 5,720.22/x
3. Step 3: Cross multiply
   10,435.91x = 14,401.53 × 5,720.22
4. Step 4: Simplify right side
   10,435.91x = 82,379,919.94
5. Step 5: Solve for x
   x = 82,379,919.94/10,435.91
6. Step 6: Final answer
   x = 7,893.89