Finding the Fourth Proportional to 10,931.69, 15,084.51 and 6,150.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,931.69 : 15,084.51 = 6,150.71 : x
2. Step 2: Convert to fraction form
   10,931.69/15,084.51 = 6,150.71/x
3. Step 3: Cross multiply
   10,931.69x = 15,084.51 × 6,150.71
4. Step 4: Simplify right side
   10,931.69x = 92,780,446.50
5. Step 5: Solve for x
   x = 92,780,446.50/10,931.69
6. Step 6: Final answer
   x = 8,487.29