Finding the Fourth Proportional to 9,005.67, 13,514.55 and 3,162.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,005.67 : 13,514.55 = 3,162.30 : x
2. Step 2: Convert to fraction form
   9,005.67/13,514.55 = 3,162.30/x
3. Step 3: Cross multiply
   9,005.67x = 13,514.55 × 3,162.30
4. Step 4: Simplify right side
   9,005.67x = 42,737,061.47
5. Step 5: Solve for x
   x = 42,737,061.47/9,005.67
6. Step 6: Final answer
   x = 4,745.57