Finding the Fourth Proportional to 16,477.82, 22,749.72 and 12,693.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,477.82 : 22,749.72 = 12,693.86 : x
2. Step 2: Convert to fraction form
   16,477.82/22,749.72 = 12,693.86/x
3. Step 3: Cross multiply
   16,477.82x = 22,749.72 × 12,693.86
4. Step 4: Simplify right side
   16,477.82x = 288,781,760.72
5. Step 5: Solve for x
   x = 288,781,760.72/16,477.82
6. Step 6: Final answer
   x = 17,525.48