Finding the Fourth Proportional to 10,660.94, 14,707.56 and 7,823.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,660.94 : 14,707.56 = 7,823.39 : x
2. Step 2: Convert to fraction form
   10,660.94/14,707.56 = 7,823.39/x
3. Step 3: Cross multiply
   10,660.94x = 14,707.56 × 7,823.39
4. Step 4: Simplify right side
   10,660.94x = 115,062,904.29
5. Step 5: Solve for x
   x = 115,062,904.29/10,660.94
6. Step 6: Final answer
   x = 10,792.94