Finding the Fourth Proportional to 10,221.58, 14,105.82 and 5,745.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,221.58 : 14,105.82 = 5,745.52 : x
2. Step 2: Convert to fraction form
   10,221.58/14,105.82 = 5,745.52/x
3. Step 3: Cross multiply
   10,221.58x = 14,105.82 × 5,745.52
4. Step 4: Simplify right side
   10,221.58x = 81,045,270.93
5. Step 5: Solve for x
   x = 81,045,270.93/10,221.58
6. Step 6: Final answer
   x = 7,928.84