Finding the Fourth Proportional to 13,524.79, 18,663.82 and 7,556.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,524.79 : 18,663.82 = 7,556.46 : x
2. Step 2: Convert to fraction form
   13,524.79/18,663.82 = 7,556.46/x
3. Step 3: Cross multiply
   13,524.79x = 18,663.82 × 7,556.46
4. Step 4: Simplify right side
   13,524.79x = 141,032,348.53
5. Step 5: Solve for x
   x = 141,032,348.53/13,524.79
6. Step 6: Final answer
   x = 10,427.69