Finding the Fourth Proportional to 9,919.82, 14,871.42 and 3,676.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,919.82 : 14,871.42 = 3,676.34 : x
2. Step 2: Convert to fraction form
   9,919.82/14,871.42 = 3,676.34/x
3. Step 3: Cross multiply
   9,919.82x = 14,871.42 × 3,676.34
4. Step 4: Simplify right side
   9,919.82x = 54,672,321.85
5. Step 5: Solve for x
   x = 54,672,321.85/9,919.82
6. Step 6: Final answer
   x = 5,511.43