Finding the Fourth Proportional to 6,443.32, 8,891.34 and 3,610.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.32 : 8,891.34 = 3,610.60 : x
2. Step 2: Convert to fraction form
   6,443.32/8,891.34 = 3,610.60/x
3. Step 3: Cross multiply
   6,443.32x = 8,891.34 × 3,610.60
4. Step 4: Simplify right side
   6,443.32x = 32,103,072.20
5. Step 5: Solve for x
   x = 32,103,072.20/6,443.32
6. Step 6: Final answer
   x = 4,982.38