Finding the Fourth Proportional to 13,150.59, 18,147.72 and 7,182.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.59 : 18,147.72 = 7,182.24 : x
2. Step 2: Convert to fraction form
   13,150.59/18,147.72 = 7,182.24/x
3. Step 3: Cross multiply
   13,150.59x = 18,147.72 × 7,182.24
4. Step 4: Simplify right side
   13,150.59x = 130,341,280.49
5. Step 5: Solve for x
   x = 130,341,280.49/13,150.59
6. Step 6: Final answer
   x = 9,911.44