Finding the Fourth Proportional to 13,008.56, 17,952.84 and 7,419.44

Step by Step Solution

1. Step 1: Write the proportion equation
   13,008.56 : 17,952.84 = 7,419.44 : x
2. Step 2: Convert to fraction form
   13,008.56/17,952.84 = 7,419.44/x
3. Step 3: Cross multiply
   13,008.56x = 17,952.84 × 7,419.44
4. Step 4: Simplify right side
   13,008.56x = 133,200,019.21
5. Step 5: Solve for x
   x = 133,200,019.21/13,008.56
6. Step 6: Final answer
   x = 10,239.41