Finding the Fourth Proportional to 7,151.54, 9,870.27 and 4,169.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,151.54 : 9,870.27 = 4,169.12 : x
2. Step 2: Convert to fraction form
   7,151.54/9,870.27 = 4,169.12/x
3. Step 3: Cross multiply
   7,151.54x = 9,870.27 × 4,169.12
4. Step 4: Simplify right side
   7,151.54x = 41,150,340.06
5. Step 5: Solve for x
   x = 41,150,340.06/7,151.54
6. Step 6: Final answer
   x = 5,754.05