Finding the Fourth Proportional to 10,649.83, 15,977.82 and 4,408.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,649.83 : 15,977.82 = 4,408.69 : x
2. Step 2: Convert to fraction form
   10,649.83/15,977.82 = 4,408.69/x
3. Step 3: Cross multiply
   10,649.83x = 15,977.82 × 4,408.69
4. Step 4: Simplify right side
   10,649.83x = 70,441,255.26
5. Step 5: Solve for x
   x = 70,441,255.26/10,649.83
6. Step 6: Final answer
   x = 6,614.31