Finding the Fourth Proportional to 13,524.52, 18,663.46 and 7,391.97

Step by Step Solution

1. Step 1: Write the proportion equation
   13,524.52 : 18,663.46 = 7,391.97 : x
2. Step 2: Convert to fraction form
   13,524.52/18,663.46 = 7,391.97/x
3. Step 3: Cross multiply
   13,524.52x = 18,663.46 × 7,391.97
4. Step 4: Simplify right side
   13,524.52x = 137,959,736.42
5. Step 5: Solve for x
   x = 137,959,736.42/13,524.52
6. Step 6: Final answer
   x = 10,200.71