Finding the Fourth Proportional to 13,087.34, 18,062.04 and 7,346.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,087.34 : 18,062.04 = 7,346.38 : x
2. Step 2: Convert to fraction form
   13,087.34/18,062.04 = 7,346.38/x
3. Step 3: Cross multiply
   13,087.34x = 18,062.04 × 7,346.38
4. Step 4: Simplify right side
   13,087.34x = 132,690,609.42
5. Step 5: Solve for x
   x = 132,690,609.42/13,087.34
6. Step 6: Final answer
   x = 10,138.85