Finding the Fourth Proportional to 16,488.73, 22,755.56 and 9,316.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,488.73 : 22,755.56 = 9,316.16 : x
2. Step 2: Convert to fraction form
   16,488.73/22,755.56 = 9,316.16/x
3. Step 3: Cross multiply
   16,488.73x = 22,755.56 × 9,316.16
4. Step 4: Simplify right side
   16,488.73x = 211,994,277.49
5. Step 5: Solve for x
   x = 211,994,277.49/16,488.73
6. Step 6: Final answer
   x = 12,856.92