Finding the Fourth Proportional to 16,309.45, 24,457.31 and 5,213.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,309.45 : 24,457.31 = 5,213.16 : x
2. Step 2: Convert to fraction form
   16,309.45/24,457.31 = 5,213.16/x
3. Step 3: Cross multiply
   16,309.45x = 24,457.31 × 5,213.16
4. Step 4: Simplify right side
   16,309.45x = 127,499,863.68
5. Step 5: Solve for x
   x = 127,499,863.68/16,309.45
6. Step 6: Final answer
   x = 7,817.54