Finding the Fourth Proportional to 13,524.76, 18,664.18 and 7,556.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,524.76 : 18,664.18 = 7,556.42 : x
2. Step 2: Convert to fraction form
   13,524.76/18,664.18 = 7,556.42/x
3. Step 3: Cross multiply
   13,524.76x = 18,664.18 × 7,556.42
4. Step 4: Simplify right side
   13,524.76x = 141,034,383.04
5. Step 5: Solve for x
   x = 141,034,383.04/13,524.76
6. Step 6: Final answer
   x = 10,427.87