Finding the Fourth Proportional to 12,100.90, 16,698.69 and 6,723.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.90 : 16,698.69 = 6,723.71 : x
2. Step 2: Convert to fraction form
   12,100.90/16,698.69 = 6,723.71/x
3. Step 3: Cross multiply
   12,100.90x = 16,698.69 × 6,723.71
4. Step 4: Simplify right side
   12,100.90x = 112,277,148.94
5. Step 5: Solve for x
   x = 112,277,148.94/12,100.90
6. Step 6: Final answer
   x = 9,278.41