Finding the Fourth Proportional to 21,973.12, 30,314.54 and 16,244.33

Step by Step Solution

1. Step 1: Write the proportion equation
   21,973.12 : 30,314.54 = 16,244.33 : x
2. Step 2: Convert to fraction form
   21,973.12/30,314.54 = 16,244.33/x
3. Step 3: Cross multiply
   21,973.12x = 30,314.54 × 16,244.33
4. Step 4: Simplify right side
   21,973.12x = 492,439,234.55
5. Step 5: Solve for x
   x = 492,439,234.55/21,973.12
6. Step 6: Final answer
   x = 22,410.99