Finding the Fourth Proportional to 9,894.54, 14,845.32 and 3,320.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,894.54 : 14,845.32 = 3,320.72 : x
2. Step 2: Convert to fraction form
   9,894.54/14,845.32 = 3,320.72/x
3. Step 3: Cross multiply
   9,894.54x = 14,845.32 × 3,320.72
4. Step 4: Simplify right side
   9,894.54x = 49,297,151.03
5. Step 5: Solve for x
   x = 49,297,151.03/9,894.54
6. Step 6: Final answer
   x = 4,982.26