Finding the Fourth Proportional to 10,970.22, 16,439.52 and 8,493.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,970.22 : 16,439.52 = 8,493.45 : x
2. Step 2: Convert to fraction form
   10,970.22/16,439.52 = 8,493.45/x
3. Step 3: Cross multiply
   10,970.22x = 16,439.52 × 8,493.45
4. Step 4: Simplify right side
   10,970.22x = 139,628,241.14
5. Step 5: Solve for x
   x = 139,628,241.14/10,970.22
6. Step 6: Final answer
   x = 12,727.93