Finding the Fourth Proportional to 7,449.31, 10,284.34 and 5,183.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,449.31 : 10,284.34 = 5,183.94 : x
2. Step 2: Convert to fraction form
   7,449.31/10,284.34 = 5,183.94/x
3. Step 3: Cross multiply
   7,449.31x = 10,284.34 × 5,183.94
4. Step 4: Simplify right side
   7,449.31x = 53,313,401.50
5. Step 5: Solve for x
   x = 53,313,401.50/7,449.31
6. Step 6: Final answer
   x = 7,156.82