Finding the Fourth Proportional to 16,212.57, 22,369.53 and 9,839.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,212.57 : 22,369.53 = 9,839.01 : x
2. Step 2: Convert to fraction form
   16,212.57/22,369.53 = 9,839.01/x
3. Step 3: Cross multiply
   16,212.57x = 22,369.53 × 9,839.01
4. Step 4: Simplify right side
   16,212.57x = 220,094,029.37
5. Step 5: Solve for x
   x = 220,094,029.37/16,212.57
6. Step 6: Final answer
   x = 13,575.52