Finding the Fourth Proportional to 9,913.80, 14,869.08 and 3,676.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,913.80 : 14,869.08 = 3,676.72 : x
2. Step 2: Convert to fraction form
   9,913.80/14,869.08 = 3,676.72/x
3. Step 3: Cross multiply
   9,913.80x = 14,869.08 × 3,676.72
4. Step 4: Simplify right side
   9,913.80x = 54,669,443.82
5. Step 5: Solve for x
   x = 54,669,443.82/9,913.80
6. Step 6: Final answer
   x = 5,514.48