Finding the Fourth Proportional to 13,150.39, 18,147.02 and 7,182.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.39 : 18,147.02 = 7,182.06 : x
2. Step 2: Convert to fraction form
   13,150.39/18,147.02 = 7,182.06/x
3. Step 3: Cross multiply
   13,150.39x = 18,147.02 × 7,182.06
4. Step 4: Simplify right side
   13,150.39x = 130,332,986.46
5. Step 5: Solve for x
   x = 130,332,986.46/13,150.39
6. Step 6: Final answer
   x = 9,910.96