Finding the Fourth Proportional to 6,443.38, 8,892.58 and 3,611.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.38 : 8,892.58 = 3,611.22 : x
2. Step 2: Convert to fraction form
   6,443.38/8,892.58 = 3,611.22/x
3. Step 3: Cross multiply
   6,443.38x = 8,892.58 × 3,611.22
4. Step 4: Simplify right side
   6,443.38x = 32,113,062.75
5. Step 5: Solve for x
   x = 32,113,062.75/6,443.38
6. Step 6: Final answer
   x = 4,983.88