Finding the Fourth Proportional to 10,141.38, 15,176.43 and 8,771.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,141.38 : 15,176.43 = 8,771.94 : x
2. Step 2: Convert to fraction form
   10,141.38/15,176.43 = 8,771.94/x
3. Step 3: Cross multiply
   10,141.38x = 15,176.43 × 8,771.94
4. Step 4: Simplify right side
   10,141.38x = 133,126,733.37
5. Step 5: Solve for x
   x = 133,126,733.37/10,141.38
6. Step 6: Final answer
   x = 13,127.08