Finding the Fourth Proportional to 13,238.42, 18,269.17 and 7,269.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,238.42 : 18,269.17 = 7,269.98 : x
2. Step 2: Convert to fraction form
   13,238.42/18,269.17 = 7,269.98/x
3. Step 3: Cross multiply
   13,238.42x = 18,269.17 × 7,269.98
4. Step 4: Simplify right side
   13,238.42x = 132,816,391.00
5. Step 5: Solve for x
   x = 132,816,391.00/13,238.42
6. Step 6: Final answer
   x = 10,032.65