Finding the Fourth Proportional to 9,819.96, 14,721.23 and 3,578.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.96 : 14,721.23 = 3,578.81 : x
2. Step 2: Convert to fraction form
   9,819.96/14,721.23 = 3,578.81/x
3. Step 3: Cross multiply
   9,819.96x = 14,721.23 × 3,578.81
4. Step 4: Simplify right side
   9,819.96x = 52,684,530.89
5. Step 5: Solve for x
   x = 52,684,530.89/9,819.96
6. Step 6: Final answer
   x = 5,365.04