Finding the Fourth Proportional to 16,315.81, 24,465.21 and 7,983.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,315.81 : 24,465.21 = 7,983.34 : x
2. Step 2: Convert to fraction form
   16,315.81/24,465.21 = 7,983.34/x
3. Step 3: Cross multiply
   16,315.81x = 24,465.21 × 7,983.34
4. Step 4: Simplify right side
   16,315.81x = 195,314,089.60
5. Step 5: Solve for x
   x = 195,314,089.60/16,315.81
6. Step 6: Final answer
   x = 11,970.85