Finding the Fourth Proportional to 10,823.12, 14,938.22 and 7,039.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,823.12 : 14,938.22 = 7,039.71 : x
2. Step 2: Convert to fraction form
   10,823.12/14,938.22 = 7,039.71/x
3. Step 3: Cross multiply
   10,823.12x = 14,938.22 × 7,039.71
4. Step 4: Simplify right side
   10,823.12x = 105,160,754.32
5. Step 5: Solve for x
   x = 105,160,754.32/10,823.12
6. Step 6: Final answer
   x = 9,716.31