Finding the Fourth Proportional to 10,939.50, 15,096.51 and 5,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,939.50 : 15,096.51 = 5,971.50 : x
2. Step 2: Convert to fraction form
   10,939.50/15,096.51 = 5,971.50/x
3. Step 3: Cross multiply
   10,939.50x = 15,096.51 × 5,971.50
4. Step 4: Simplify right side
   10,939.50x = 90,148,809.47
5. Step 5: Solve for x
   x = 90,148,809.47/10,939.50
6. Step 6: Final answer
   x = 8,240.67