Finding the Fourth Proportional to 13,592.24, 18,758.38 and 7,928.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,592.24 : 18,758.38 = 7,928.72 : x
2. Step 2: Convert to fraction form
   13,592.24/18,758.38 = 7,928.72/x
3. Step 3: Cross multiply
   13,592.24x = 18,758.38 × 7,928.72
4. Step 4: Simplify right side
   13,592.24x = 148,729,942.67
5. Step 5: Solve for x
   x = 148,729,942.67/13,592.24
6. Step 6: Final answer
   x = 10,942.27