Finding the Fourth Proportional to 10,399.79, 14,351.48 and 5,683.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,399.79 : 14,351.48 = 5,683.97 : x
2. Step 2: Convert to fraction form
   10,399.79/14,351.48 = 5,683.97/x
3. Step 3: Cross multiply
   10,399.79x = 14,351.48 × 5,683.97
4. Step 4: Simplify right side
   10,399.79x = 81,573,410.55
5. Step 5: Solve for x
   x = 81,573,410.55/10,399.79
6. Step 6: Final answer
   x = 7,843.75