Finding the Fourth Proportional to 8,108.09, 12,103.50 and 7,123.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,108.09 : 12,103.50 = 7,123.94 : x
2. Step 2: Convert to fraction form
   8,108.09/12,103.50 = 7,123.94/x
3. Step 3: Cross multiply
   8,108.09x = 12,103.50 × 7,123.94
4. Step 4: Simplify right side
   8,108.09x = 86,224,607.79
5. Step 5: Solve for x
   x = 86,224,607.79/8,108.09
6. Step 6: Final answer
   x = 10,634.39