Finding the Fourth Proportional to 12,517.22, 17,273.78 and 7,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,517.22 : 17,273.78 = 7,801.50 : x
2. Step 2: Convert to fraction form
   12,517.22/17,273.78 = 7,801.50/x
3. Step 3: Cross multiply
   12,517.22x = 17,273.78 × 7,801.50
4. Step 4: Simplify right side
   12,517.22x = 134,761,414.17
5. Step 5: Solve for x
   x = 134,761,414.17/12,517.22
6. Step 6: Final answer
   x = 10,766.08