Finding the Fourth Proportional to 10,949.15, 15,109.83 and 5,913.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,949.15 : 15,109.83 = 5,913.38 : x
2. Step 2: Convert to fraction form
   10,949.15/15,109.83 = 5,913.38/x
3. Step 3: Cross multiply
   10,949.15x = 15,109.83 × 5,913.38
4. Step 4: Simplify right side
   10,949.15x = 89,350,119.31
5. Step 5: Solve for x
   x = 89,350,119.31/10,949.15
6. Step 6: Final answer
   x = 8,160.46