Finding the Fourth Proportional to 12,105.39, 16,702.50 and 7,066.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105.39 : 16,702.50 = 7,066.73 : x
2. Step 2: Convert to fraction form
   12,105.39/16,702.50 = 7,066.73/x
3. Step 3: Cross multiply
   12,105.39x = 16,702.50 × 7,066.73
4. Step 4: Simplify right side
   12,105.39x = 118,031,974.31
5. Step 5: Solve for x
   x = 118,031,974.31/12,105.39
6. Step 6: Final answer
   x = 9,750.37