Finding the Fourth Proportional to 7,134.49, 9,847.15 and 4,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,134.49 : 9,847.15 = 4,150.72 : x
2. Step 2: Convert to fraction form
   7,134.49/9,847.15 = 4,150.72/x
3. Step 3: Cross multiply
   7,134.49x = 9,847.15 × 4,150.72
4. Step 4: Simplify right side
   7,134.49x = 40,872,762.45
5. Step 5: Solve for x
   x = 40,872,762.45/7,134.49
6. Step 6: Final answer
   x = 5,728.90