Finding the Fourth Proportional to 3,676.61, 5,514.89 and 1,485.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676.61 : 5,514.89 = 1,485.30 : x
2. Step 2: Convert to fraction form
   3,676.61/5,514.89 = 1,485.30/x
3. Step 3: Cross multiply
   3,676.61x = 5,514.89 × 1,485.30
4. Step 4: Simplify right side
   3,676.61x = 8,191,279.37
5. Step 5: Solve for x
   x = 8,191,279.37/3,676.61
6. Step 6: Final answer
   x = 2,227.95