Finding the Fourth Proportional to 12,100.69, 16,700.56 and 7,324.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,100.69 : 16,700.56 = 7,324.49 : x
2. Step 2: Convert to fraction form
   12,100.69/16,700.56 = 7,324.49/x
3. Step 3: Cross multiply
   12,100.69x = 16,700.56 × 7,324.49
4. Step 4: Simplify right side
   12,100.69x = 122,323,033.78
5. Step 5: Solve for x
   x = 122,323,033.78/12,100.69
6. Step 6: Final answer
   x = 10,108.77