Finding the Fourth Proportional to 3,736.30, 5,189.89 and 3,676.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.30 : 5,189.89 = 3,676.72 : x
2. Step 2: Convert to fraction form
   3,736.30/5,189.89 = 3,676.72/x
3. Step 3: Cross multiply
   3,736.30x = 5,189.89 × 3,676.72
4. Step 4: Simplify right side
   3,736.30x = 19,081,772.36
5. Step 5: Solve for x
   x = 19,081,772.36/3,736.30
6. Step 6: Final answer
   x = 5,107.13