Finding the Fourth Proportional to 10,949.06, 16,423.79 and 3,158.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,949.06 : 16,423.79 = 3,158.07 : x
2. Step 2: Convert to fraction form
   10,949.06/16,423.79 = 3,158.07/x
3. Step 3: Cross multiply
   10,949.06x = 16,423.79 × 3,158.07
4. Step 4: Simplify right side
   10,949.06x = 51,867,462.69
5. Step 5: Solve for x
   x = 51,867,462.69/10,949.06
6. Step 6: Final answer
   x = 4,737.16