Finding the Fourth Proportional to 9,841.68, 13,581.72 and 5,650.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,841.68 : 13,581.72 = 5,650.20 : x
2. Step 2: Convert to fraction form
   9,841.68/13,581.72 = 5,650.20/x
3. Step 3: Cross multiply
   9,841.68x = 13,581.72 × 5,650.20
4. Step 4: Simplify right side
   9,841.68x = 76,739,434.34
5. Step 5: Solve for x
   x = 76,739,434.34/9,841.68
6. Step 6: Final answer
   x = 7,797.39