Finding the Fourth Proportional to 12,719.97, 17,554.46 and 7,055.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,719.97 : 17,554.46 = 7,055.26 : x
2. Step 2: Convert to fraction form
   12,719.97/17,554.46 = 7,055.26/x
3. Step 3: Cross multiply
   12,719.97x = 17,554.46 × 7,055.26
4. Step 4: Simplify right side
   12,719.97x = 123,851,200.30
5. Step 5: Solve for x
   x = 123,851,200.30/12,719.97
6. Step 6: Final answer
   x = 9,736.75