Finding the Fourth Proportional to 6,443.50, 8,892.39 and 3,649.90

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.50 : 8,892.39 = 3,649.90 : x
2. Step 2: Convert to fraction form
   6,443.50/8,892.39 = 3,649.90/x
3. Step 3: Cross multiply
   6,443.50x = 8,892.39 × 3,649.90
4. Step 4: Simplify right side
   6,443.50x = 32,456,334.26
5. Step 5: Solve for x
   x = 32,456,334.26/6,443.50
6. Step 6: Final answer
   x = 5,037.07