Finding the Fourth Proportional to 6,555.76, 9,808.98 and 3,636.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,555.76 : 9,808.98 = 3,636.16 : x
2. Step 2: Convert to fraction form
   6,555.76/9,808.98 = 3,636.16/x
3. Step 3: Cross multiply
   6,555.76x = 9,808.98 × 3,636.16
4. Step 4: Simplify right side
   6,555.76x = 35,667,020.72
5. Step 5: Solve for x
   x = 35,667,020.72/6,555.76
6. Step 6: Final answer
   x = 5,440.56