Finding the Fourth Proportional to 10,582.86, 15,913.17 and 10,155.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,582.86 : 15,913.17 = 10,155.18 : x
2. Step 2: Convert to fraction form
   10,582.86/15,913.17 = 10,155.18/x
3. Step 3: Cross multiply
   10,582.86x = 15,913.17 × 10,155.18
4. Step 4: Simplify right side
   10,582.86x = 161,601,105.72
5. Step 5: Solve for x
   x = 161,601,105.72/10,582.86
6. Step 6: Final answer
   x = 15,270.08