Finding the Fourth Proportional to 9,853.92, 13,597.86 and 5,662.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.92 : 13,597.86 = 5,662.20 : x
2. Step 2: Convert to fraction form
   9,853.92/13,597.86 = 5,662.20/x
3. Step 3: Cross multiply
   9,853.92x = 13,597.86 × 5,662.20
4. Step 4: Simplify right side
   9,853.92x = 76,993,802.89
5. Step 5: Solve for x
   x = 76,993,802.89/9,853.92
6. Step 6: Final answer
   x = 7,813.52