Finding the Fourth Proportional to 10,989.83, 16,487.72 and 3,593.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,989.83 : 16,487.72 = 3,593.31 : x
2. Step 2: Convert to fraction form
   10,989.83/16,487.72 = 3,593.31/x
3. Step 3: Cross multiply
   10,989.83x = 16,487.72 × 3,593.31
4. Step 4: Simplify right side
   10,989.83x = 59,245,471.19
5. Step 5: Solve for x
   x = 59,245,471.19/10,989.83
6. Step 6: Final answer
   x = 5,390.94