Finding the Fourth Proportional to 16,564.50, 22,859.01 and 9,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,564.50 : 22,859.01 = 9,112.50 : x
2. Step 2: Convert to fraction form
   16,564.50/22,859.01 = 9,112.50/x
3. Step 3: Cross multiply
   16,564.50x = 22,859.01 × 9,112.50
4. Step 4: Simplify right side
   16,564.50x = 208,302,728.63
5. Step 5: Solve for x
   x = 208,302,728.63/16,564.50
6. Step 6: Final answer
   x = 12,575.25