Finding the Fourth Proportional to 10,389.22, 14,336.85 and 5,673.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,389.22 : 14,336.85 = 5,673.58 : x
2. Step 2: Convert to fraction form
   10,389.22/14,336.85 = 5,673.58/x
3. Step 3: Cross multiply
   10,389.22x = 14,336.85 × 5,673.58
4. Step 4: Simplify right side
   10,389.22x = 81,341,265.42
5. Step 5: Solve for x
   x = 81,341,265.42/10,389.22
6. Step 6: Final answer
   x = 7,829.39