Finding the Fourth Proportional to 7,049.36, 9,731.70 and 5,158.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,049.36 : 9,731.70 = 5,158.82 : x
2. Step 2: Convert to fraction form
   7,049.36/9,731.70 = 5,158.82/x
3. Step 3: Cross multiply
   7,049.36x = 9,731.70 × 5,158.82
4. Step 4: Simplify right side
   7,049.36x = 50,204,088.59
5. Step 5: Solve for x
   x = 50,204,088.59/7,049.36
6. Step 6: Final answer
   x = 7,121.79