Finding the Fourth Proportional to 16,488.98, 22,755.90 and 9,316.41

Step by Step Solution

1. Step 1: Write the proportion equation
   16,488.98 : 22,755.90 = 9,316.41 : x
2. Step 2: Convert to fraction form
   16,488.98/22,755.90 = 9,316.41/x
3. Step 3: Cross multiply
   16,488.98x = 22,755.90 × 9,316.41
4. Step 4: Simplify right side
   16,488.98x = 212,003,294.32
5. Step 5: Solve for x
   x = 212,003,294.32/16,488.98
6. Step 6: Final answer
   x = 12,857.27