Finding the Fourth Proportional to 16,570.98, 22,872.78 and 13,237.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,570.98 : 22,872.78 = 13,237.02 : x
2. Step 2: Convert to fraction form
   16,570.98/22,872.78 = 13,237.02/x
3. Step 3: Cross multiply
   16,570.98x = 22,872.78 × 13,237.02
4. Step 4: Simplify right side
   16,570.98x = 302,767,446.32
5. Step 5: Solve for x
   x = 302,767,446.32/16,570.98
6. Step 6: Final answer
   x = 18,270.94