Finding the Fourth Proportional to 10,398.88, 14,350.62 and 5,683.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,398.88 : 14,350.62 = 5,683.42 : x
2. Step 2: Convert to fraction form
   10,398.88/14,350.62 = 5,683.42/x
3. Step 3: Cross multiply
   10,398.88x = 14,350.62 × 5,683.42
4. Step 4: Simplify right side
   10,398.88x = 81,560,600.72
5. Step 5: Solve for x
   x = 81,560,600.72/10,398.88
6. Step 6: Final answer
   x = 7,843.21