Finding the Fourth Proportional to 6,443.57, 8,892.14 and 3,649.07

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.57 : 8,892.14 = 3,649.07 : x
2. Step 2: Convert to fraction form
   6,443.57/8,892.14 = 3,649.07/x
3. Step 3: Cross multiply
   6,443.57x = 8,892.14 × 3,649.07
4. Step 4: Simplify right side
   6,443.57x = 32,448,045.29
5. Step 5: Solve for x
   x = 32,448,045.29/6,443.57
6. Step 6: Final answer
   x = 5,035.72