Finding the Fourth Proportional to 6,441.62, 8,889.32 and 3,608.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,441.62 : 8,889.32 = 3,608.96 : x
2. Step 2: Convert to fraction form
   6,441.62/8,889.32 = 3,608.96/x
3. Step 3: Cross multiply
   6,441.62x = 8,889.32 × 3,608.96
4. Step 4: Simplify right side
   6,441.62x = 32,081,200.31
5. Step 5: Solve for x
   x = 32,081,200.31/6,441.62
6. Step 6: Final answer
   x = 4,980.30