Finding the Fourth Proportional to 16,477.57, 22,749.38 and 12,693.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,477.57 : 22,749.38 = 12,693.61 : x
2. Step 2: Convert to fraction form
   16,477.57/22,749.38 = 12,693.61/x
3. Step 3: Cross multiply
   16,477.57x = 22,749.38 × 12,693.61
4. Step 4: Simplify right side
   16,477.57x = 288,771,757.46
5. Step 5: Solve for x
   x = 288,771,757.46/16,477.57
6. Step 6: Final answer
   x = 17,525.14