Finding the Fourth Proportional to 14,185.69, 21,265.29 and 4,819.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,185.69 : 21,265.29 = 4,819.30 : x
2. Step 2: Convert to fraction form
   14,185.69/21,265.29 = 4,819.30/x
3. Step 3: Cross multiply
   14,185.69x = 21,265.29 × 4,819.30
4. Step 4: Simplify right side
   14,185.69x = 102,483,812.10
5. Step 5: Solve for x
   x = 102,483,812.10/14,185.69
6. Step 6: Final answer
   x = 7,224.45