Finding the Fourth Proportional to 9,578.70, 14,362.92 and 3,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,578.70 : 14,362.92 = 3,654.72 : x
2. Step 2: Convert to fraction form
   9,578.70/14,362.92 = 3,654.72/x
3. Step 3: Cross multiply
   9,578.70x = 14,362.92 × 3,654.72
4. Step 4: Simplify right side
   9,578.70x = 52,492,450.98
5. Step 5: Solve for x
   x = 52,492,450.98/9,578.70
6. Step 6: Final answer
   x = 5,480.12