Finding the Fourth Proportional to 9,819.68, 14,724.72 and 3,243.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,819.68 : 14,724.72 = 3,243.69 : x
2. Step 2: Convert to fraction form
   9,819.68/14,724.72 = 3,243.69/x
3. Step 3: Cross multiply
   9,819.68x = 14,724.72 × 3,243.69
4. Step 4: Simplify right side
   9,819.68x = 47,762,427.02
5. Step 5: Solve for x
   x = 47,762,427.02/9,819.68
6. Step 6: Final answer
   x = 4,863.95