Finding the Fourth Proportional to 12,100.79, 16,698.50 and 6,723.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.79 : 16,698.50 = 6,723.56 : x
2. Step 2: Convert to fraction form
   12,100.79/16,698.50 = 6,723.56/x
3. Step 3: Cross multiply
   12,100.79x = 16,698.50 × 6,723.56
4. Step 4: Simplify right side
   12,100.79x = 112,273,374.79
5. Step 5: Solve for x
   x = 112,273,374.79/12,100.79
6. Step 6: Final answer
   x = 9,278.19