Finding the Fourth Proportional to 13,065.27, 18,029.82 and 7,399.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,065.27 : 18,029.82 = 7,399.93 : x
2. Step 2: Convert to fraction form
   13,065.27/18,029.82 = 7,399.93/x
3. Step 3: Cross multiply
   13,065.27x = 18,029.82 × 7,399.93
4. Step 4: Simplify right side
   13,065.27x = 133,419,405.91
5. Step 5: Solve for x
   x = 133,419,405.91/13,065.27
6. Step 6: Final answer
   x = 10,211.76