Finding the Fourth Proportional to 10,989.47, 16,486.23 and 3,594.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,989.47 : 16,486.23 = 3,594.32 : x
2. Step 2: Convert to fraction form
   10,989.47/16,486.23 = 3,594.32/x
3. Step 3: Cross multiply
   10,989.47x = 16,486.23 × 3,594.32
4. Step 4: Simplify right side
   10,989.47x = 59,256,871.82
5. Step 5: Solve for x
   x = 59,256,871.82/10,989.47
6. Step 6: Final answer
   x = 5,392.15