Finding the Fourth Proportional to 6,139.16, 8,469.13 and 4,150.40

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139.16 : 8,469.13 = 4,150.40 : x
2. Step 2: Convert to fraction form
   6,139.16/8,469.13 = 4,150.40/x
3. Step 3: Cross multiply
   6,139.16x = 8,469.13 × 4,150.40
4. Step 4: Simplify right side
   6,139.16x = 35,150,277.15
5. Step 5: Solve for x
   x = 35,150,277.15/6,139.16
6. Step 6: Final answer
   x = 5,725.58