Finding the Fourth Proportional to 13,436.38, 18,542.82 and 7,467.85

Step by Step Solution

1. Step 1: Write the proportion equation
   13,436.38 : 18,542.82 = 7,467.85 : x
2. Step 2: Convert to fraction form
   13,436.38/18,542.82 = 7,467.85/x
3. Step 3: Cross multiply
   13,436.38x = 18,542.82 × 7,467.85
4. Step 4: Simplify right side
   13,436.38x = 138,474,998.34
5. Step 5: Solve for x
   x = 138,474,998.34/13,436.38
6. Step 6: Final answer
   x = 10,305.98