Finding the Fourth Proportional to 12,719.72, 17,554.11 and 7,055.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,719.72 : 17,554.11 = 7,055.01 : x
2. Step 2: Convert to fraction form
   12,719.72/17,554.11 = 7,055.01/x
3. Step 3: Cross multiply
   12,719.72x = 17,554.11 × 7,055.01
4. Step 4: Simplify right side
   12,719.72x = 123,844,421.59
5. Step 5: Solve for x
   x = 123,844,421.59/12,719.72
6. Step 6: Final answer
   x = 9,736.41