Finding the Fourth Proportional to 12,763.41, 17,611.61 and 7,173.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,763.41 : 17,611.61 = 7,173.33 : x
2. Step 2: Convert to fraction form
   12,763.41/17,611.61 = 7,173.33/x
3. Step 3: Cross multiply
   12,763.41x = 17,611.61 × 7,173.33
4. Step 4: Simplify right side
   12,763.41x = 126,333,854.49
5. Step 5: Solve for x
   x = 126,333,854.49/12,763.41
6. Step 6: Final answer
   x = 9,898.13