Finding the Fourth Proportional to 10,435.83, 14,401.36 and 5,720.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.83 : 14,401.36 = 5,720.10 : x
2. Step 2: Convert to fraction form
   10,435.83/14,401.36 = 5,720.10/x
3. Step 3: Cross multiply
   10,435.83x = 14,401.36 × 5,720.10
4. Step 4: Simplify right side
   10,435.83x = 82,377,118.73
5. Step 5: Solve for x
   x = 82,377,118.73/10,435.83
6. Step 6: Final answer
   x = 7,893.69