Finding the Fourth Proportional to 6,441.53, 8,888.81 and 3,608.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,441.53 : 8,888.81 = 3,608.69 : x
2. Step 2: Convert to fraction form
   6,441.53/8,888.81 = 3,608.69/x
3. Step 3: Cross multiply
   6,441.53x = 8,888.81 × 3,608.69
4. Step 4: Simplify right side
   6,441.53x = 32,076,897.27
5. Step 5: Solve for x
   x = 32,076,897.27/6,441.53
6. Step 6: Final answer
   x = 4,979.71