Finding the Fourth Proportional to 16,501.76, 22,781.28 and 12,744.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,501.76 : 22,781.28 = 12,744.37 : x
2. Step 2: Convert to fraction form
   16,501.76/22,781.28 = 12,744.37/x
3. Step 3: Cross multiply
   16,501.76x = 22,781.28 × 12,744.37
4. Step 4: Simplify right side
   16,501.76x = 290,333,030.13
5. Step 5: Solve for x
   x = 290,333,030.13/16,501.76
6. Step 6: Final answer
   x = 17,594.07