Finding the Fourth Proportional to 12,766.14, 17,617.23 and 7,100.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,766.14 : 17,617.23 = 7,100.73 : x
2. Step 2: Convert to fraction form
   12,766.14/17,617.23 = 7,100.73/x
3. Step 3: Cross multiply
   12,766.14x = 17,617.23 × 7,100.73
4. Step 4: Simplify right side
   12,766.14x = 125,095,193.58
5. Step 5: Solve for x
   x = 125,095,193.58/12,766.14
6. Step 6: Final answer
   x = 9,798.98