Finding the Fourth Proportional to 16,651.47, 22,978.77 and 9,097.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,651.47 : 22,978.77 = 9,097.64 : x
2. Step 2: Convert to fraction form
   16,651.47/22,978.77 = 9,097.64/x
3. Step 3: Cross multiply
   16,651.47x = 22,978.77 × 9,097.64
4. Step 4: Simplify right side
   16,651.47x = 209,052,617.50
5. Step 5: Solve for x
   x = 209,052,617.50/16,651.47
6. Step 6: Final answer
   x = 12,554.60