Finding the Fourth Proportional to 6,441.59, 8,889.18 and 3,608.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,441.59 : 8,889.18 = 3,608.89 : x
2. Step 2: Convert to fraction form
   6,441.59/8,889.18 = 3,608.89/x
3. Step 3: Cross multiply
   6,441.59x = 8,889.18 × 3,608.89
4. Step 4: Simplify right side
   6,441.59x = 32,080,037.05
5. Step 5: Solve for x
   x = 32,080,037.05/6,441.59
6. Step 6: Final answer
   x = 4,980.14