Finding the Fourth Proportional to 8,921.34, 13,371.84 and 4,529.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,921.34 : 13,371.84 = 4,529.52 : x
2. Step 2: Convert to fraction form
   8,921.34/13,371.84 = 4,529.52/x
3. Step 3: Cross multiply
   8,921.34x = 13,371.84 × 4,529.52
4. Step 4: Simplify right side
   8,921.34x = 60,568,016.72
5. Step 5: Solve for x
   x = 60,568,016.72/8,921.34
6. Step 6: Final answer
   x = 6,789.12