Finding the Fourth Proportional to 6,447.89, 8,897.82 and 3,653.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,447.89 : 8,897.82 = 3,653.39 : x
2. Step 2: Convert to fraction form
   6,447.89/8,897.82 = 3,653.39/x
3. Step 3: Cross multiply
   6,447.89x = 8,897.82 × 3,653.39
4. Step 4: Simplify right side
   6,447.89x = 32,507,162.12
5. Step 5: Solve for x
   x = 32,507,162.12/6,447.89
6. Step 6: Final answer
   x = 5,041.52