Finding the Fourth Proportional to 13,150.34, 18,147.37 and 7,182.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.34 : 18,147.37 = 7,182.01 : x
2. Step 2: Convert to fraction form
   13,150.34/18,147.37 = 7,182.01/x
3. Step 3: Cross multiply
   13,150.34x = 18,147.37 × 7,182.01
4. Step 4: Simplify right side
   13,150.34x = 130,334,502.08
5. Step 5: Solve for x
   x = 130,334,502.08/13,150.34
6. Step 6: Final answer
   x = 9,911.12