Finding the Fourth Proportional to 6,620.16, 9,922.56 and 3,544.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,620.16 : 9,922.56 = 3,544.32 : x
2. Step 2: Convert to fraction form
   6,620.16/9,922.56 = 3,544.32/x
3. Step 3: Cross multiply
   6,620.16x = 9,922.56 × 3,544.32
4. Step 4: Simplify right side
   6,620.16x = 35,168,727.86
5. Step 5: Solve for x
   x = 35,168,727.86/6,620.16
6. Step 6: Final answer
   x = 5,312.37